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Mushistonite On Kësterite With Muscovite

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PMN763972

Mushistonite On Kësterite With Muscovite

Description Tabs

Description
Locality: 
Mount Xuebaoding, Pingwu County, Mianyang, Sichuan Province, China (Peoples Republic)
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
4 × 5 × 3 cm
Largest Crystal: 
1.10cm
Weight: 
81.00gr
Description

A good sized Kësterite sits surrounded by translucent muscovite, a rarity from Mount Xue Boa Ding. The piece has sawn sides but is large enough to be trimmed into a more natural miniature as the main crystals sits in the middle.

Mineral Data
What's on the rock

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

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

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Streak: 
White