Fine Mineral Specimens Over $50

Availability

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Locality

Sapucaia mine, Galileia, Doce valley, Minas Gerais, Brazil

Formula

Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂

Size

6 x 5.5 x 3 cm - Sm Cabinet

Tagged

phosphate, pegmatite mineral

Special Info

Type Locality

Dull black thick tabular crystals to 1mm with pink Hureaulite and perhaps light brown Reddingite.

Availability

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Locality

Khibiny Massif, Kola Peninsula, Russia

Formula

Na₇Al(CO₃)₂(HCO₃)₂F₄

Size

3 x 2 x 1.3 cm - Thumbnail

Tagged

carbonate

Orange brown somewhat powdery masses in veinlets of unknown matrix.

Availability

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Locality

Kuiu Island, Petersburg Borough, Alaska, United States

Formula

Na₈(Si₂₈Al₈)O₇₂·26H₂O

Size

7.5 x 5 x 3.5 cm - Sm Cabinet

White, glossy large crystals to 2cm across of this rare zeolite.

Availability

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Locality

Yukspor Mt, Khibiny Massif, Kola Peninsula, Russia

Formula

Na₃(BaK)Ti₃(Si₂O₇)₂O₂(OH)₂

Size

3 x 3 x 3 cm - Thumbnail

Flashy, vitreous cleaveable mass.

Availability

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Locality

Tulukuevskoe U deposit, Krasnokamensk, Zabaykalsky Krai, Russia

Formula

BaU₂O₇·4-5H₂O

Size

2 x 1.5 x 1.5 cm - Thumbnail

Orange brown crystalline grains. Bauranoite is a two-locality mineral and very rare.

Availability

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Locality

Ermakovskoe Be deposit, Buryatia, Siberia, Russia

Formula

Ca₄Be₂Al₂Si₉O₂₆(OH)₂

Size

3.5 x 3 x 2.5 cm - Miniature

Tagged

beryllium, pegmatite mineral

Excellent white, platy crystals to 6mm.