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Lepidolite & Microcline

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CAM500335

Lepidolite & Microcline

Ex University of Amsterdam
With Antique Label

Description Tabs

Description
Locality: 
Varuträsk, Skellefteå, Västerbotten County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 7.9 × 7.3 cm
Description

A fine piece from the Varuträsk pegmatite with bright violet lepidolite, cremy-white rubidium-rich microcline and some colourless quartz.

Collected by Dutch geologists in the early 1950's. Ex Geological Institute of the University of Amsterdam, Netherlands.

 

Collected: 
1950's
Mineral Data
What's on the rock

Lepidolite

Synonym Of: 

Mica Group

Formula: 
KLi2Al(Si4O10)(F,OH)2 to K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Group Parent: 
Mica
Hardness: 
2.5 - 3.5
Colour: 
Pink, light purple, light rose red
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
Provenance
Cartils Minerals

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