John Attard's Image Gallery

Images from John Attard

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John Attard's Image Gallery With 11 Images

Bustamite Image

Images:

Bustamite: (Mn,Ca)3Si3O9

Comments: Very course crystals of brownish red bustamite to 3cm in pink calcite.
Location: Zinc Corp mine, Broken Hill, NSW, Australia. Scale: 7 cm.
© John Attard

Gyrolite Image

Images:

Gyrolite: NaCa16Si23AlO60(OH)8·64(H2O)

Comments: Two round beige gyrolite aggregates each about 5cm diameter.
Location: Bombay, India. Scale: Specimen size 10cm.
© John Attard

Heterogenite-2H Image

Images:

Heterogenite-2H: Co+++O(OH)

Comments: Shiny black botryoidal heterogenite-2H.
Location: Star of the Congo mine, Katanga, Congo. Scale: 6 cm.
© John Attard

Hubnerite Image

Images:

Hubnerite: MnWO4

Comments: Sharp, dark tabular crystals of hübnerite with pyrite.
Location: Cavnic, Romania. Scale: Crystal size 2 cm.
© John Attard

Lueshite Image

Images:

Lueshite: NaNbO3

Comments: Opaque, brownish, pseudo-cubic crystals of lueshite.
Location: Republic of Congo. Scale: Crystal size 8 mm.
© John Attard

Magnesioriebeckite Image

Images:

Magnesioriebeckite: [ ]Na2[(Mg,Fe++)3Fe+++2]Si8O22(OH)2

Comments: Crystal of magnesioriebeckite showing massive and asbestosform habits.
Location: Cochabamba Dept, Bolivia. Scale: 2.5 cm.
© John Attard

Realgar Image

Images:

Realgar: AsS

Comments: Sharp, dark red crystals of realgar to 2 cm on calcite.
Location: Hunan Province, Chin. Scale: Crystal size 2 cm.
© John Attard

Salammoniac Image

Images:

Salammoniac: NH4Cl

Comments: Network of white or slightly grayish sal-ammoniac crystals with some sulfur.
Location: Ravat, Tien Shan Mtns, Central Tajikistan. Scale: 6 x 4 x 3 cm.
© John Attard

Stannite Image

Images:

Stannite: Cu2FeSnS4
Volfsonite: Cu+10Cu++Fe++Fe+++2Sn++++3S16

Comments: Stannite crystal cluster at the base of a quartz crystal. Volfsonite is now consideres stannite.
Location: Yaogangxian mine, Hunan, China. Scale: Crystal size 3 cm.
© John Attard

Valentinite Image

Images:

Valentinite: Sb2O3

Comments: 6mm spray of bladed valentinite crystals on siderite matrix.
Location: Potosi, Bolivia. Scale: Picture size 1.5 cm.
© John Attard

Volfsonite Image

Images:

Volfsonite: Cu+10Cu++Fe++Fe+++2Sn++++3S16
Stannite: Cu2FeSnS4

Yvonite Image

Images:

Yvonite: Cu(AsO3OH)·2(H2O)

Comments: Bluish green or turquoise-colored microcrystals of yvonite on metallic matrix of arsenopyrite & native bismuth.
Location: Salsigne mine, Carcassone, Aude, France. Scale: 2 cm.
© John Attard

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