Arsenate Mineral Specimens and Products

Dugganite with Azurite, Malachite Hubnerite

#55584

SOLD

Availability: Sold

Locality: Black Pine mine, Philipsburg, Granite Co., Montana, United States
Formula: Pb₃Zn₃(TeO₆)(AsO₄)₂
Size: 8 x 5 x 4 cm - Sm Cabinet
Tagged: arsenate, tellurium
Special Info: EDS Confirmed

This specimen is packed with all sorts of goodies. The main mineral of course is one of the rarest and most coveted minerals. It is Dugganite is pearly white to light blue plates and rosettes. They are dinky little guys, but actually large relative to other Dugganites from this locality on the order of 0.3mm may 0.5mm. The two copper arrows point to them, but they are not in good focus. There are plenty of crystals scattered all over matrix, just not at the copper arrows.

Most of the green is Malachite, some of the light more translucent green is actually Bayldonite. The blue is Azurtie and crystallized in deep blue plates. The red are large tabular Hubnerite crystals to 2cm.

SEM/EDS

Dugganite at Dakota Matrix Dugganite at WebMineral Dugganite at MinDat

Kottigite with Gypsum

#55716

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Availability: Sold

Locality: Mina Ojuela, Mapimi, Durango, Mexico
Formula: Zn₃(AsO₄)₂·8H₂O
Size: 4 x 3 x 1 cm - Miniature
Tagged: arsenate

Bluish grey lath-like crystals of Kottigite to 2mm on limonite with a large 2.5cm selenite on the flip side.

Kottigite at Dakota Matrix Kottigite at WebMineral Kottigite at MinDat

Legrandite

#55448

SOLD

Availability: Sold

Locality: Mina Ojuela, Mapimi, Durango, Mexico
Formula: Zn₂AsO₄(OH)·H₂O
Size: 6 x 5 x 3 cm - Sm Cabinet
Tagged: arsenate

The void in this specimen is 2 x 1.5cm and has three long prismatic crystals to around 1cm each. The void daylights on the flip side and the crystals on that side are lighter and more transluent. There are numerous other micro crystals in other spots on the matrix. Associated are glassy light yellow Adamite and little rice shaped crystals of Hydrozincite.

Legrandite at Dakota Matrix Legrandite at WebMineral Legrandite at MinDat