0190 Arsenopyrite, Golden Gully, Bendigo, Victoria
Oxidised twinned crystals from slate. Width of view 7mm. Stack of 60 images.
Australia
5848 Quartz (Battery Sand), Misery Creek area, near Berringa, Victoria
Quartz grains from a gold mine battery. Quite fine crushed quartz. The old-timers would have extracted almost all of the gold. Width of view 7mm. Stack of 60 images.
0083 Gold, Stibnite, Red Hill, Heathcote, City of Greater Bendigo, Victoria
Spongy bright yellow gold with stibnite in quartz. Collected before the open pit operation. Width of view 6mm. Stack of 50 images.
ncat JP3320 Marcasite, Sphalerite, Goongewa mine (Twelve Mile Bore; Prices Creek), Fitzroy Crossing, Derby-West Kimberley Shire, Western Australia
Greenish tinted crystals of marcasite with fluorescent sphalerite. Width of view 14mm. Stack of 50 images. Click on the image below for a higher resolution version.
1960 Marcasite, Torquay, Surf Coast Shire, Victoria
A marcasite nodule that is unaltered (compare specimen 0189). Width of view 14mm. Stack of 45 images. Click on the image below for a higher resolution version.
ncat MAR03 Marcasite, Leigh Creek coal mine, Copley, Pastoral Unincorporated Area, South Australia
A crystalline nodule of marcasite. Ex Barry Schubert. Width of view 14mm. Stack of 85 images. Click on the image below for a higher resolution version.
0189 Marcasite, Gypsum, Halotrichite, Rozenite, Torquay, Surf Coast Shire, Victoria
What was once a very nice sharp nodule of crystalline marcasite is now mostly sulphate minerals, possibly colourless gypsum, white fibres of halotrichite, and pink rozenite amongst others. Width of view 14mm. Stack of 35 images. Exact location not known but possibly Addiscot Beach at the top of the Angahook...
ncat N23-1 0268 Pyrite, Marcasite, NBHC Mine, Broken Hill, Broken Hill district, Yancowinna Co., New South Wales
Specimen has some beginning signs of “pyrite disease”. Apart from the pyrite and marcasite, there are a few small crystals of spessartine and fluorapatite. Ex James Melville Collection. Width of view 10mm. Stack of 30 images. Click on the image below for a higher resolution version.
5173 Marcasite, Dolomite, Great Cobar Mine, Cobar, New South Wales
Two groups of marcasite crystals with orange dolomite. Ex Joan Lamond Collection. Acquired by Joan from Frank Robinson in 1990. Width of view 10mm. Stack of 45 images. Click on the image for a higher resolution version.
2133 Erythrite, Heterogenite, Mansfieldite, Mount Cobalt Mine, Selwyn District, Cloncurry Shire, Queensland
Pink acicular sprays of erythrite and minor pale purple mansfieldite on black heterogenite. Width of view 6mm. Stack of 65 images. Mansfielite photo width of view 3mm, stack of 50 images. Click on the image below for a higher resolution version. Click on the image below for a higher resolution...
0955 Mansfieldite (Cobaltian), Heterogenite, Smolyaninovite after Erythrite, Erythrite, Mt Cobalt, Cloncurry, Queensland
Pink stalactitic mansfieldite with straw-coloured smolyaninovite after erythrite, black heterogenite, and pink acicular erythrite. Width of view 6mm. Stack of 90 images. Click on the image below for a higher resolution version.
ncat ER6 Mansfieldite, Smolyaninovite, Heterogenite, Mount Cobalt Mine, Selwyn District, Cloncurry Shire, Queensland
Interesting paragenesis here, probably multiples. Straw-coloured smolyaninovite has replaced erythrite. Black heterogenite is coating zoned purple mansfieldite (centre). And the sphere to the right has a thin coating of smolyaninovite on pink zoned mansfieldite on smolyaninovite on heterogenite! Width of view 6mm. Stack of 75 images. Click on the image...