A bit of layering here. The bottom layer is quartz crystals, and they are completely covered in goethite. Next is white dickite. On top of the dickite are colourless-grey fluorite cubes (not fluorescent). These in...
A small crystal lined agate geode with purple fluorite octahedra with a pale blue-grey surface on amethystine quartz. The fluorite does not fluoresce. Also present, golden sprays of goethite. Ex Joan Lamond Collection. Acquired by...
Iridescent botryoidal goethite on on face of the specimen. Specimen dimensions are 35x24x22mm. Click on the image below for a higher resolution version.
Small sharp apophyllite crystals and balls of goethite on parallel-grown quartz crystals. Ex Bernie Day Collection. Width of view 11.5mm. Stack of 120 images. Click on the image below for a higher resolution version.
Fragments of meteorite in a capsule, magnetic. Width of view 5.75mm.
Green cubes of bariopharmacosiderite in a vugh in quartz that is lined with brown goethite. Width of view 5.75mm. Stack of 50 images. Click on the image below for a higher resolution version.
Stunning chalcopyrite crystals looking hoppered with balls of goethite needles on barite.
Greenish-yellow cyrilovite on goethite and kapundaite. Ex Vince Peisley. Width of view 11.5mm. Stack of 75 images. Click on the image below for a higher resolution version.
Massive goethite with a fibrous look on the edge, with a glassy surface. In this are some orange/brown rings with a blue tint. Collected by Mike Reinke downstream from Palomas Gap. Width of view 6.5mm....
A dusting of goethite on some of the chabazite rhombs. A small stacked stilbite is nestled amongst the chabazite (centre of photo). Ex Jo Price Collection. Width of view 5.75mm. Stack of 40 images (stilbite)...
Tiny pyrite crystals part altered to goethite on calcite. There are two generations of calcite. The earlier one fluoresces red, and the later fluoresces white. There is a sharp delineation between the two. Ex Jo...
Small patches of gold associated with altered pyrite. Labelled Inini. Ex Cedrick Gineste 2/2005. Width of view 5.75mm. Stack of 20 images. Click on the image below for a higher resolution version.
Small patches of gold associated with altered pyrite. Labelled Inini. Ex Cederick Gineste 2/2005. Width of view 8.63mm. Stack of 40 images. Click on the image below for a higher resolution version.
Chrysocolla as blue patches and as green coatings and/or replacement of malachite. Green unaltered malachite also present. Some malachite altered to goethite, and goethite also present as the coating of vughs possibly coating or replacing...
Goethite coating cerussite. Width of view 5mm. Stack of 70 images. Click on the image below for a higher resolution version.
Goethite balls on bladed calcite. Ex Margaret Brown Collection. Width of view 25mm. Stack of 25 images. Click on the image below for a higher resolution version.
Goethite coating calcite crystals. There a few small calcite crystals of a different habit that have formed after the goethite. Width of view 13mm. Stack of 50 images. Click on the image below for a...
Bluish brochantite on iridescent goethite. Ex Jo Price Collection. Width of view 3.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Acquired by Joan Lamond in 1986 from Mary Wilde of the Mordialloc Club.
Golden barite crystals with goethite balls on the surface and native copper inclusions. Ex Bernie Day Collection. Stack of 65 images. Click on the image below for a higher resolution version.
Acquired by Joan Lamond in 1995 at the Horsham Gemkhana from Barry Porter for $2.
Acquired by Joan Lamond in 1988 from a tailgater at the Canberra Gemboree for $2.
Reddish brown goethite botryoidal matrix hosting colourless quartz crystals. Width of view 18mm. Stack of 240 images. Ex Lundgren Collection.
Pyrite cube partially altered to goethite. Collected on the dumps 31 July 2020. Crystal width 4mm. Stack of 80 images. Scene of Australia’s worst mining disaster in 1882 when 26 men perished. Water from the...
Yellow butterfly of mimetite with goethite casts after cerussite. Width 5.5mm. Stack of 70 images.
Small amount of gold with iridescent goethite in white quartz.
Bright gold patches with iridescent goethite in white quartz. Width 9mm. Stack of 50 images.
A single purple octahedral crystal of fluorite (fluorescent) with golden sprays of goethite on quartz. Width 9mm. Stack of 110 images. Ex Jo Price Collection.
Sharp brown jarosite crystals with rainbow goethite. Width 9mm. Stack of 34 images. Ex Jo Price Collection.
Slender quartz crystal with goethite inclusions and unknown black rhombohedral species. Video best viewed full screen.
Acquired by Joan Lamond in 1996 from Harry Critchley.
Acquired by Joan Lamond in 2002 from Harry Critchley.
Labelled as Paratacamite, Richard Bell
ex Bernie and Margaret Day Collection
ex Bernie and Margaret Day Collection
Single crystal pseudomorph of goethite after pyrite.
Joan Lamond Micro Collection 2006
Goethite pseudomorphs after smithsonite(?)
A neat little spray of malachite, roughly 0.6mm across, from the lesser-known Mineral Hill deposit, the Iodide Mine (Mount Iodide Mine), Mineral Hill field, Condobolin district, Kennedy Co., New South Wales. Also present on the specimen...
Interesting bipyramidal pyrite crystals, somewhat altered to brown goethite (although you can see some original pyrite peeking through on the edges) on calcite from Pint’s Quarry, Raymond, Black Hawk Co., Iowa, USA. The main cluster...
