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Spiroffite & Tellurite

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CR89471

Spiroffite & Tellurite

Type Locality
Rare Mineral

Description Tabs

Description
Locality: 
Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.3 × 1.7 cm
Description

This is a very rich native Tellurium specimen with grey-pink crystallized  spiroffite with yellow tellurite crystals.

Mineral Data
What's on the rock

Spiroffite

Formula: 
(Mn,Zn)2Te4+3O8
Strunz: 
4.JK.10
Hardness: 
3.5
Streak: 
White
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