Nice sharp group of cassiterite crystals with a partial coating of fluorescent green hyalite opal. The hyalite fluoresces under longwave UV (Convoy) but is much brighter under shortwave. The green fluorescence is due to uranyl...
Highly fluorescent under longwave and shortwave. Size 45x30x25mm.
A nice little group of anatase crystals on matrix. Width of view 3.5mm. Stack of 50 images.
A single sharp zoned blue and yellow anatase crystal on matrix. Width of view 3.5mm. Stack of 75 images.
A large number of mostly bluish anatase crystals from an alluvial deposit. Width of view 3.5mm. Stack of 75 images.
8186 M3762 Anatase, Chlorite, Cassiterite, Albite, Quartz, Craddock Moor Mine, Craddock Moor, St Cleer, Liskeard District, Cornwall, England
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...
Blue anatase crystals with orange rutile needles on albite and quartz. Width of view 4.5mm. Stack of 50 images.
A single cube of pyrite altering to goethite in a sandstone matrix. Width of view 9mm. Stack of 100 images.
Intense blue thin bladed crystals, including one that has a distinct bend. Width of view 9mm. Stack of 100 images. Ex Margaret Brown Collection.
Grey rhombohedral smithsonite crystals with yellow mimetite. Specimen measures 49x28x20mm.
An unusual specimen. I am unaware of other zeolite specimens from Sunbury, although the basalt quarries do produce calcite and aragonite. This specimen also has what looks like calcite-coated prismatic augite crystals, unlike any other...
10027 Fluorite, Wulfenite, Barite, Blue Star prospect, South Canyon District, Dona Ana Co., New Mexico, USA
Colourless cubes of fluorite with thin purple edges, colourless fluorite with hematite inclusions/staining, purple cubes, yellow tabular wulfenite, minor white barite. Specimen is 50x36x30mm. Second image is under shortwave ultraviolet light.
One of my favourite Broken Hill smithsonite specimens. Width of view 5mm. Stack of 100 images.
Chlorite “worms” included in colourless datolite crystals. Width of view 9mm. Stack of 120 images.
30111 Kutnohorite, Rhodochrosite, Calcite, N’Chwaning II Mine, N’Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa
Pink drusy crystals of rhodochrosite coating acicular kutnohorite and white calcite that fluoresces red. 40x36x33mm.
30110 Pyromorphite, Cerussite, Calcite, Avondale Mine, Mount Lyndhurst station, North Flinders Ranges, Flinders Ranges, South Australia
Green hexagonal prisms of pyromorphite with off-white cerussite (orange fluorescence) and white calcite (white fluorescence). Specimen measures 60x50x32mm.