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Kësterite With Mushistonite

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FCM591332

Kësterite With Mushistonite

Rare Mineral

Description Tabs

Description
Locality: 
Pingwu Mine, Mount Xuebaoding, Pingwu County, Mianyang, Sichuan Province, China (Peoples Republic)
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 2.8 × 1.4 cm
Largest Crystal: 
0.60cm
Description

This thumbnail specimen features sharp crystals of kesterite on matrix coated with green mushistonite.  Both of these are rare tin containing minerals.

Previous labels supplied (not photographed)
Mineral Data
What's on the rock

Kësterite

Formula: 
Cu2(Zn,Fe)SnS4
Strunz: 
2.CB.15a
Hardness: 
4.5
Streak: 
Black
Type Locality: 
Këster Deposit (Kester Deposit), Arga-Ynnakh-Khaya granite Massif, Yana-Adycha Region, Yana River Basin, Verkhoyansk, Sakha Republic (Saha Republic; Yakutia), Eastern-Siberian Region, Russia

Mushistonite

Formula: 
(Cu,Zn,Fe2+)[Sn(OH)6]
Strunz: 
4.FC.10
Hardness: 
4.0 - 4.5
Type Locality: 
Mushiston Deposit, Kaznok Valley, Pendzhikent (Penjikent; Panjakent), Zeravshan Range, Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad), Tajikistan

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