Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Muscovite & Microcline

Views:
Watches:
NST615755

Muscovite & Microcline

Description Tabs

Description
Locality: 
Morro Redondo Mine, Coronel Murta, Minas Gerais, Brazil
Class: 
Crystals on Matrix
Size Range: 
Museum (18cm plus)
Size: 
22 × 16 × 10 cm
Largest Crystal: 
7.00cm
Weight: 
2 800.00gr
Description

Museum sized combination of muscovite and skeletal grown microcline showing crystals up to 7 cm (of both minerals).

Please note that the shipping cost vary due to the weight of the specimen (2.8 kg). Shipping costs are between 23€ (EU) to 63€ (worldwide). Shipping to the US will be 55€.

Mineral Data
What's on the rock

Muscovite

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

Microcline

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Arendal, Aust-Agder, Norway
Item Toolbox