Arthurite

#50273

SOLD

Availability: Sold

Locality: Gunheath China Clay Pit, St. Austell, Cornwall, England
Formula: CuFe³⁺₂(AsO₄)₂(OH)₂·4H₂O
Size: 5.5 x 4 x 3.5 cm - Sm Cabinet
Tagged: arsenate, copper

Lime green coating and tiny spherulites of Arthurite. Cornwall is the type locality, but not at this mine.

Arthurite at Dakota Matrix Arthurite at WebMineral Arthurite at MinDat

Autunite with Bergenite

#48593

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Availability: Sold

Locality: Wolsendorf dist., Schwandorf, Bavaria, Germany
Formula: Ca(UO₂)₂(PO₄)₂·10-12H₂O
Size: 5.5 x 5.5 x 3.5 cm - Sm Cabinet
Tagged: phosphate
Special Info: Radioactive!!

Flat lying thin tabular Autunite crystals with one 1mm ball of Bergenite.

Autunite at Dakota Matrix Autunite at WebMineral Autunite at MinDat

Baksanite

#50388

Availability: Available
Price: $125.00

Locality: Tyrnyauz Mo-W deposit, Baksan Valley, Kabardino-Balkarian, N. Caucasus, Russia
Formula: Bi₆Te₂S₃
Size: 3 x 2 x 1 cm - Thumbnail
Tagged: sulfide, tellurium
Special Info: Type Locality

A four locality mineral. Small 1mm metallic grain. Ex. Anatoly Kasatkin.

Baksanite at WebMineral Baksanite at MinDat

Bario-Olgite

#41330

Availability: Available
Price: $85.00

Locality: Palitra pegmatite, Mt. Kedykverpakhk, Lovozero Massif, Kola Peninsula, Russia
Formula: Na(Na,Sr,Ce)₂Ba(PO₄)₂
Size: 5 x 4 x 2.5 cm - Miniature
Tagged: phosphate
Special Info: Fluorescent
Special Info: Type Locality
Special Info: XRD Confirmed
Special Info: EDS Confirmed
Special Info: Author's Material

Crystalline white to colorless Bario-olgite on one half of the specimen. This can be seen under UV light with an nice orange glow. This is a specimen from the collection of Dr. Igor Pekov used for publication of the mineral.

Bario-Olgite at WebMineral Bario-Olgite at MinDat