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Zemannite Tellurite & Illite

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SKY559455

Zemannite Tellurite & Illite

Type Locality

Description Tabs

Description
Locality: 
Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1 cm
Description

Sharp prismatic brown crystals of zemannite associated to yellow tellurite and illite The specimen has an old label from Scott Williams Mineral Company, where zemannite is labeled as "zinc -tellurite". This label will be sent to the buyer of the specimen.

Mineral Data
What's on the rock

Zemannite

Formula: 
Mg(ZnFe)2(TeO3)6·9H2O
Strunz: 
4.JM.05
Crystal System: 
Hexagonal
Hardness: 
0.0
Colour: 
Brown
Type Locality: 
Moctezuma Mine (Bambolla Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico

Tellurite

Formula: 
TeO2
Strunz: 
4.DE.20
Crystal System: 
Orthorhombic Slender prysmatic crystals
Hardness: 
2.0
Type Locality: 
Faţa Băii (Facebánya; Facebay; Fatiabaja), Zlatna (Zalatna; Zalathna), Alba Co., Romania

Illite

Variety Of: 

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Formula: 
K0.65Al2.0[Al0.65Si3.35O10](OH)2
Hardness: 
1.0 - 2.0
Streak: 
White
Type Locality: 
Maquoketa Shale, Gilead, Calhoun Co., Illinois, USA

Seller Information

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