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Paraguanajuatite & Laitakarite

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SKY967118

Paraguanajuatite & Laitakarite

Rare Mineral

Description Tabs

Description
Locality: 
Srednyaya Padma Mine, Velikaya Guba, Zaonezhie Peninsula, Karelia Republic, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.6 × 0.4 × 0.3 cm
Description

Outstanding sharp silvery crystals of a mixture of the very rare S-rich selenides paraguanajuatite and laitakarite from a Russian locality in a completely analyzed specimen by SEM/EDS, see copy enclosed.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Paraguanajuatite

Formula: 
Bi2Se3
Strunz: 
2.DC.05
Crystal System: 
Trigonal
Hardness: 
2.5 - 3.0
Colour: 
Lead-gray
Type Locality: 
Santa Catarina Mine, Rancho Calvillo, Santa Rosa, Sierra de Santa Rosa, Mun. de Guanajuato, Guanajuato, Mexico

Laitakarite

Formula: 
Bi4Se2S
Strunz: 
2.DC.05
Hardness: 
2.0
Type Locality: 
Orijärvi, Kisko, Salo, Southwestern Finland Region, Finland

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