Rare Mineral Specimens - search page

Availability

Available

Price

$75.00

Locality

Harding mine, Taos Co., New Mexico, United States

Formula

CaLiAl₂(Si₂BeAl)O₁₀(OH)₂

Size

6 x 6 x 3.5 cm - Sm Cabinet

Bityite is a rare beryllium-lithium mica shown here as colorless plates to 5mm in biotite.

Availability

Available

Price

$35.00

Locality

Strontian, Argyllshire, Scotland

Formula

Sr(Al₂Si₆)O₁₆·5H₂O

Size

3 x 2.5 x 3 cm - Thumbnail

Colorless prismatic crystals to about 1mm in a vug. Brewsterite is rare.

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.

Availability

Available

Price

$20.00

Locality

Basic Refractories mine, Gabbs, Nye Co., Nevada, United States

Formula

Cu₂Mg₂CO₃(OH)₆·2H₂O

Size

2.2 x 1.8 x 0.5 cm - Thumbnail

Tagged

carbonate, copper

Deep cobalt blue micro crystals with good coverage on this small specimen.

Availability

Available

Price

$25.00

Locality

Meuville, Rahier, Stoumont, Wallonia, Belgium

Formula

Mn²⁺Al₂Si₂O₆(OH)₄

Size

6 x 5 x 1 cm - Sm Cabinet

Very thin bladed yellow Carpholite crystals to 2.5cm.

Availability

Available

Price

$75.00

Locality

Esquire #7 claim, Big Creek, Fresno Co., California, United States

Formula

Ba₄Fe₄³⁺O₃(OH)₃(Si₄O₁₂)[Si₂O₃(OH)₄]Cl

Size

2 x 1.5 x 1 cm - Thumbnail

Dark blue massive Cerchiaraite-(Fe). The Esquire #7 deposit share type localities with two other localities.