Rare Mineral Specimens - search page

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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.

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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.

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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.

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Locality

Ermakovskoe Be deposit, Buryatia, Siberia, Russia

Formula

Ca₄Be₂Al₂Si₉O₂₆(OH)₂

Size

2.5 x 2.5 x 2 cm - Thumbnail

Tagged

beryllium

Beautiful pearly white, bladed divergent groups of Bavenite to 5mm.

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Locality

Kukisvumchorr Mt., Khibiny Massif, Kola Peninsula, Russia

Formula

NaLaSr₃(PO₄)₃F

Size

3 x 2 x 0.7 cm - Thumbnail

Tagged

phosphate, REE mineral

1-2mm light orange crystal grains.

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Locality

Almerindo mine, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil

Formula

Fe²⁺Fe³⁺₂(AsO₄)₂(OH)₂·4H₂O

Size

0.2 x 0.2 x 0.2 cm - Thumbnail

Tagged

arsenate

Special Info

Type Locality

Spongy yellow mass of very rare Bendadaite. Identified by the late Luiz Menezes, one of the authors of this mineral. It carries Luiz's label. It's a tiny specimen!