Pale coloured pyromorphite that has formed in fractures in galena. The galena has subsequently disappeared. The pyromorphite could be grading into phosphohedyphane. Look closely, and you can also see a blade or two of cerussite....
Olive green barrel-shaped hexagonal prisms as well as a more tabular habit. Width of view 6mm. Stack of 70 images. Click on the image below for a higher resolution version.
Sharp steeply terminated green crystals of pyromorphite, some partly coated with plumbogummite, on quartz crystals. Width of view 6mm. Stack of 115 images. Click on the image below for a higher resolution version.
Yellowish-green to green hexagonal prisms in clusters. Some tiny colourless quartz crystals. Some zoning. Some barrel-shaped crystals. Ex Jo Price Collection. Width of view 6mm. Stack of 80 images. Click on the image below for...
Black columbite enclosed in matrix. Mostly broken but with occasional crystal faces showing. Ex Richard Bell. Width of view 6mm. Stack of 55 images. Click on the image below for a higher resolution version.
Type Locality for witherite. Pale blue balls of aurichalcite on colourless witherite. Acquired by Joan Lamond from Harry Critchley in 1998. Width of view 6mm. Stack of 50 images. Click on the image below for...
Opaque dull light green crystals, undoubtedly metatorbernite. Ex Bernie Day Collection. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
Green platy crystals, no matrix. Width of view 9mm. Stack of 60 images. Click on the image below for a higher resolution version.
Colourless hemimorphite crystals with scalenohedral smithsonite possibly coloured by the underlying matrix. Ex Joan Lamond Collection. Obtained by Joan in 2000 from Harry Critchley. Width of view 6mm. Stack of 80 images. Click on the...
Thick white tabular hexagonal crystals. Width of view 6mm. Stack of 60 images. Click on the image below for a higher resolution version.
Blue needles of schmiederite. Width of view 3mm. Stack of 25 images. Click on the image below for a higher resolution version.
Pale blue needles are schmiederite, the tabular blue crystals are chenite. Width of view 4.5mm. Stack of 45 images. Click on the image below for a higher resolution version.
Elongated green platy crystals. Ex Andrew Tuma. Width of view 6mm. Stack of 40 images. Click on the image below for a higher resolution version.
Fine acicular connellite with platy green botallackite. Ex Bernie Day Collection. Width of view 6mm. Stack of images. Click on the image below for a higher resolution version.
Platy green crystals. Type Locality. Width of view 3mm. Stack of 30 images. Ex Mike Gough. Click on the image below for a higher resolution version.
Bladed tan barytocalcite coated with sugary white crystals. Ex Mark Hallam Collection. Specimen measures 44x25x18mm.
Colourless crystals of barytocalcite. Ex Richard Bell. Width of view 3mm. Stack of 5 images. Click on the image below for a higher resolution version.
Aggregates of bladed crystals with a slight brownish tinge. Ex Tom Cottrell. 2/2005. Width of view 6mm. Stack of 40 images. Click on the image below for a higher resolution version.
A single larger crystal and smaller drusy crystals of anglesite, altered from galena. Ex Jo Price Collection. Width of view 3mm. Stack of 80 images. Click on the image below for a higher resolution version.
Colourless harmotome crystals with brown calcite. Ex Jo Price Collection. Width of view 3mm.
Flat-lying needles of metallic millerite. This specimen was collected prior to Park Slip West beginning operations. So technically, it should not be labelled as such. It should simply be Margam Opencast Mine. Ex Jo Price...
Aggregate of white thin bladed crystals of thomsonite with thin plates of epidote. The garnet is labelled as grossular but is very dark, and could have a significant andradite component. First photo: Width of view...
The faint brownish to colour at the centre of the fluorite explodes like a supernova when hit with a UV torch! It also has inclusions, possibly pyrite or some other sulphide. But it is the...
Colourless aggregate of epistilbite crystals. Ex Jo Price Collection. Width of view 6mm. Stack of 45 images. Click on the image below for a higher resolution version.
Red to orange cinnabar on smithsonite with a few bladed crystals of hemimorphite. These minerals all on calcite. Ex Bernie Day Collection. Width of view 6mm. Stack of 38 images. Click on the image below...
Bright white matted liskeardite lining cavity. Width of view 5mm. Stack of 20 images. Click on the image below for a higher resolution version.
Pharmacosiderite cubes coated in a thin coating of iridescent goethite(?) or maybe silica(?). Ex Chris Jewson. Ex Bernie Day Collection. Width of view 5mm. Stack of 32 images. Click on the image below for a...
Tufts of blue connellite. Ex Bernie Day Collection. Width of view 2.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Red carminite forming epimorphs after prismatic mimetite crystals, with green pharmacosiderite. Width of view 4mm. Stack of 28 images. Click on the image below for a higher resolution version.
Acicular blue connellite with green brochantite. Ex Bernie Day specimen. Width of view 5mm. Stack of 40 images. Click on the image below for a higher resolution version. Below: Connellite. Photo width 15mm.
Tiny groups of pale blue acicular crystals of mixite. Width of view 3mm. Stack of 50 images. Click on the image below for a higher resolution version.
Dark red carminite, green beudantite and pharmacosiderite, and pale green scorodite, all in cavities in arsenopyrite. Width of view 5mm. Stack of 45 images. Click on the image below for a higher resolution version.
May be bettertonite/penberthycroftite rather than liskeardite. Acquired by Joan Lamond from Harry Critchley in 1998. Width of view 5mm. Stack of 35 images. Click on the image below for a higher resolution version.
Pale green hexagonal pyromorphite crystals. Width of view 2.5mm. Stack of 35 images. Click on the image below for a higher resolution version.
Tabular yellow wulfenite crystals with green pyromorphite in a cavity in quartz, Obtained from Richard Bell 9/2005. Width of view 2.6mm. Stack of 70 images. Click on the image below for a higher resolution version.
There are things to see here. Purple cubes with darker purple edges. Interesting growth structures on faces and edges. A rainbow. A nice fluorescence under longwave ultraviolet. And even though you think you only see...
Tiny colourless hemimorphite crystals on quartz. Collected underground in the Emmanuel Level that dates back to 1573. Specimen measures 39x34x25mm. Click on the image below for a higher resolution version.
A small piece of ore comprising mostly galena, but with small patches of sphalerite and quartz. Collected underground in the Emmanuel Level that dates back to 1573. Specimen measures 21x18x4mm. Click on the image below...
Pale blue acicular crystals in a vugh. Some sulphides present elsewhere on the specimen. Ex Bernie Day Collection. Width of view 11.5mm. Stack of 85 images. Click on the image below for a higher resolution...
A nice spray of blue linarite crystals with a small amount of white hemimorphite. Width of view 5.75mm. Stack of 50 images. Click on the image below for a higher resolution version.
Blocky blue langite crystals on white hemimorphite. Minor green schulenbergite(?). Linarite to the right of the photo. Width of view 11.5mm. Stack of 70 images. Click on the image below for a higher resolution version.
Pale blue crust of this uncommon copper aluminium sulphate species. Width of specimen 11mm. Stack of 35 images. Click on the image below for a higher resolution version.
A single long thin quartz crystal in a vugh with dark blackish-green chlorite crystals. Width of view 5.75mm. Stack of 95 images. Click on the image below for a higher resolution version.
Olive-green prismatic crystals. Width of view 8.63mm. Stack of 60 images. Click on the image below for a higher resolution version.
Olive-green prismatic crystals. Width of view 8.63mm. Stack of 70 images. Click on the image below for a higher resolution version.
Colourless calcite crystals that fluoresce white and produce a strong green afterglow when the UV light is removed. Also prismatic colourless natrolite crystals. Width of view 5.75mm. Stack of 45 images. Probably from the Little...
Yellow hemimorphite crystals on colourless cubes of fluorite. The yellow is likely due to iron staining. Ex Art Smith Collection. Ex Nick Peters (UK). Width of view 8.63mm. Stack of 70 images. Click on the...
A single colourless fluorite (fluoresces) on quartz, with a quartz crystal on one face. Ex Art Smith Collection. Ex N. Peters. Width of view 11.5mm. Stack of 65 images (white light) and 11 (UV). Click...
Lustrous colourless topaz with black rutile. Width of view 8.63mm. Stack of 80 images. Click on the image below for a higher resolution version.
Purple cubes with small trisoctahedron(?) modified corners, and some curved edges. Some crystals are also contacted showing lighter colour towards the centre of the crystals. The fluorite fluoresces a bluish-purple, and the white kaolinite has...
Pale blue to green to darker brown tourmaline crystals, exact species unknown. Width of view 8.63mm. Stack of 70 images. Click on the image below for a higher resolution version.
Tiny sharp dark anatase crystals with colourless quartz crystals. Width of view 11.5mm. Stack of 75 images. Click on the image below for a higher resolution version.
Colourless but iron-stained fluorite crystals. Fluorescent blue under longwave UV. Width of view 11.5mm. Stack of 40 images (white light) and 30 images (UV). Use the slider to see specimen under white light and longwave...
Tiny yellow crystals. Acquired from Richard Bell in 2007. Width of view 5.75mm. Stack of 40 images. Click on the image below for a higher resolution version.
A single red crystal collected on the banks of the River Thames by a Mudlarker. These garnets are thought to have originated in South Asia, maybe India, and may have been lost overboard while being...
Pale pink stalactites of gmelinite. Width of view 11.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Sky blue puffballs. Width of view 5mm. Stack of 45 images. Click on the image below for a higher resolution version.
Green bayldonite with colourless prisms of mimetite (see second photo), and coated quartz crystals (not in photos). Type Locality for bayldonite. Width of view 2.5mm. Stack of 60 images (first photo). Width of view 5mm....
Light blue prismatic crystals. Ex Bernie Day Collection. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Tiny smithsonite crystals on interpenetrant fluorite and bladed barite crystals, on quartz. Acquired from Philip Grounds, Bay Minerals, in 2012. Width of view 5mm. Stack of 70 images. Click on the image below for a...
Rounded honey-coloured jellybean smithsonite crystals with bladed barite. Acquired from Philip Grounds, Bay Minerals, in 2012. Width of view 5mm. Stack of 55 images. Click on the image below for a higher resolution version.
Smithsonite epimorphs after calcite. Acquired from Richard Bell. Width of view 3.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
There appears to be a couple of generations of smithsonite. The first larger crystals, and the second much smaller crystals, visible around the edges of some of the larger ones. Acquired from Richard Bell. Width...
Ex Joan Lamond Collection, ex Harry Critchley. Width of view 21mm. Stack of 30 images. Click on the image below for a higher resolution version.
Tiny pink crystalline crust of erythrite. Width of view 3.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Mined in 1820. Ex Captain Sara Collection. Ex Albert Chapman. Ex Brian Shelton. Measures 35x23x16mm. Click on the image below for a higher resolution version.
Blue scorodite from Hemerdon Ball (now the Drakelands Mine). Ex Jo Price Collection. Width of view 3.5mm. Stack of 80 images. Click on the image below for a higher resolution version.
A lot of collectors like fluorite. Whether it be for the isometric (cubic) symmetry (for those that might be a little obsessive-compulsive 😁), the range of colours and zoning, the fluorescence, or for other reasons....
Olive green crystals of olivenite on pale blue chrysocolla. Not in the photo – clinoclase. Ex Mark Hallam Collection. Width of view 3.5mm. Stack of 40 images. Click on the image below for a higher...
A lovely little specimen of prismatic green atacamite crystals. Ex Graham Lee. Width of view 3.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Vintage micromount. Ex Bob Rothenberg collection, previously Walter Bagley and John Francis Calvert (Calvert died in 1897). Width of view 3.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Blue clinoclase crystals on matrix from Wheal Gorland, St. Day, Cornwall, England. Ex Bob Rothenberg collection, previously from the John Frederick Calvert collection (died 1897). Width of view 3.5mm. Stack of 40 images. Click on...
Acquired by Joan Lamond in 1996 from Harry Critchley.
Acquired by Joan Lamond in 1996 from Harry Critchley.
Acquired by Joan Lamond in 1996 from Harry Critchley.
Acquired by Joan Lamond from Harry Critchley in 1996.
Chrysocolla after veszelyite. Acquired by Joan Lamond from Harry Critchley in 1998.
Acquired by Joan Lamond from Harry Critchley in 1998.
Acquired by Joan Lamond from Harry Critchley in 1998.
Acquired by Joan Lamond from Harry Critchley in 1998. Width of View 4mm.
Acquired by Joan Lamond from Harry Critchley in 2002.
Acquired by Joan Lamond from Harry Critchley in 1998.
A nice little group of anatase crystals on matrix. Width of view 3.5mm. Stack of 50 images.
A single blue anatase crystal on a specimen containing dark green chlorite, orange-brown cassiterite, white albite and colourless quartz. Ex Bernie and Margaret Day Collection. The label on the base of the box is in...
Purple cubes with small modified edges with tiny brassy marcasite crystals. Some of the matrix is vein calcite that fluoresces bright red. Width of view 9mm. Stack of 130 images.
Blue-green boracite crystals with orange hilgardite. Ex Lindsay and Patricia Greenbank Collection. Ex Joseph Funke Collection.
Olive green cubes of pharmacosiderite with pale blue platelets of chalcophyllite. Width 3.75mm. Stack of 100 images. Old photograph (2005) is a single shot taken with a Sony DSC P150 hand held on microscope eyepiece....
Ammonite fossil replaced by pyrite.
Ammonite fossil replaced by pyrite.
Ammonite fossil replaced by pyrite.
Ammonite fossil replaced by pyrite.
Ammonite fossil replaced by pyrite.
Ammonite fossil replaced by pyrite.
Small glassy micro fluorite crystals to less than 2mm on an ironstone matrix. From a large hushed working within the Pike Law area. Collected in 1990’s. Fluoresces strongly. Width 18.5mm. Stack of 160 images. Fluorescent...
Interpenetrant pseudo-cubic crystals.
Prismatic colourless apophyllite crystals with pinkish chabazite and colourless bladed thomsonite. The latter fluoresces strong white. Width 18mm. Stack of 180 images. Ex Jo Price Collection.
Orange-red realgar and yellow orpiment micro crystals. Width 9mm. Stack of 62 images. Ex Jo Price Collection.
White hexagonal calcite crystals that fluoresce pink, green epidote and orange-brown grossular garnet. Width 4.5mm. Stack of 62 images. Ex Jo Price Collection.
Fine green needles of olivenite with white kaolinite. Width 9mm. Stack of 70 images. Ex Jo Price Collection.
Clusters of blue bladed azurite with many colourless prismatic twinned harmotome crystals, and colourless bladed barite crystals. The barite fluoresces a creamy white. Width 4.5mm. Stack of 40 images. Ex Jo Price Collection.
Clusters of tiny olive-green crystals. Width 7mm. Stack of 40 images. Ex Jo Price Collection.
Sharp brownish crystals. Width 9mm. Stack of 40 images. Ex Jo Price Collection.
Ex Joan Lamond Collection. Brown grossular garnet crystals in vughs with trigonal hematite crystals. Acquired by Joan in 1994 from Geoff Randall at the Ballarat Gemboree. With 9mm. Stack of 60 images.
Transparent brown to almost black prismatic cassiterite crystals with dark greenish schorl and yellow calcite. Width 6.5mm. Stack of 109 images. Ex Jo Price Collection.
Pale blue needles on quartz. Width 9mm. Stack of 62 images. Ex Jo Price Collection.
Colourless crystals. Yellowish fluorescence in matrix. With 9mm. Stack of 86 images. Ex Jo Price Collection.
Kaolinite pseudomorph after orthoclase (Pig’s Egg). Purchased at the 2013 Ballarat Gem Show. Video best viewed full screen.
Often, Rogerley specimens are larger with bigger crystals. But this one is cute. And of course, fluorescent. Video best viewed full screen.
Typical “Campylite” from this famous occurrence. Video best viewed full screen.
Ex Barry Johnson Collection. Video best viewed full screen.
Pale yellow fluorite cubes, blue under longwave UV, with siderite on and in. Ex Barry Johnson Collection. Video best viewed full screen.
Very rare location. The site is only available to Chris Jewson. Very little in the literature about this very small mine.
Ex Bernie Day specimen.
Acquired by Joan Lamond in 2000 from Harry Critchley. Width of view 11mm. Stack of 6 images.
Acquired by Joan Lamond in 1998 from Harry Critchley.
Acquired by Joan Lamond in 1996 from Harry Critchley.
Acquired by Joan Lamond in 1996 from Harry Critchley.
Acquired by Joan Lamond in 1994 from Nick Carruth. Photo width 11mm.
Ex Bernie Day specimen.
Ex Bernie Day specimen.
Acquired by Joan Lamond in 2002 from Harry Critchley.
Acquired by Joan Lamond from Harry Critchley in 2001.
Possibly redgillite rather than malachite.
Boiling Well Smelter. Ex Bob Cheetham
One of my favourite blues – clinoclase. Thin blue prismatic crystals of clinoclase with tapered green prismatic crystals of olivenite. Ex Jo Price Collection. Width of view 3.5mm. Stack of 60 images. Click on the...
