C Mineral Specimens for Sale

Cacoxenite

#56451

SOLD

Availability: Sold

Locality: Union Carbide mine, Wilson Springs, Garland Co., Arkansas, United States
Formula: (Fe³⁺)₂₄AlO₆(PO₄)₁₇(OH)₁₂·75H₂O
Size: 7 x 4 x 2 cm - Sm Cabinet
Tagged: phosphate

This specimen is covered with yellow to golden brown spheroidal crystal groups to 1mm of radiating Cacoxenite crystals. A superb specimen from this important mineral locality.

Cacoxenite at Dakota Matrix Cacoxenite at WebMineral Cacoxenite at MinDat

Cafarsite

#BAC64454

SOLD

Availability: Sold

Locality: Cherbadung, Binn Valley, Valais, Switzerland
Formula: Ca_5.9Mn_1.7Fe₃Ti₃(AsO₃)₁₂·4-5H₂O
Size: 1 x 0.8 x 0.7 cm - Thumbnail

Nice brown octahedral crysatal somewhat corroded.

Cafarsite at Dakota Matrix Cafarsite at WebMineral Cafarsite at MinDat

Calaverite

#AH57067

Availability: Available
Price: $225.00

Locality: Mogul of Prince Albert mine, Cripple Creek, Teller Co., Colorado, United States
Formula: AuTe₂
Size: 6.5 x 4 x 3 cm - Sm Cabinet
Tagged: tellurium, gold

Superb crystals of prismatic Calaverite to 2mm in vugs. Choice specimen with several crystals, minor tiny Gold specks, and perhaps also some Sylvanite as silvery crystals throughout monzonite matrix.

Calaverite at Dakota Matrix Calaverite at WebMineral Calaverite at MinDat