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Albite Var Anorthoclase

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QBM1037073

Albite Var Anorthoclase

Description Tabs

Description
Locality: 
Kilju, Kilju County, North Hamgyong Province, North Korea
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 0.8 × 0.8 cm
Description

A cool and very rare specimen of albite var. anorthoclase crystal from Kilju, North Korea. It is collected before the World War II. The crystal shows a fascinating moonstone (blue schiller) effect, when correctly orientated. It has a beige-brown color and matt faces. It is slightly translucent. In very good condition. In a plastic box.

Unique rarity!

Shipping weight up to 0.250 kg

#21181

Mineral Data
What's on the rock

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Finnbo (Finbo), Falun, Dalarna, Sweden

Anorthoclase

Polymorph of: 
Formula: 
(Na,K)AlSi3O8
Group Parent: 
Feldspar Group
Strunz: 
9.FA.30*
Crystal System: 
Triclinic
Hardness: 
6 - 6.5
Colour: 
white, colourless, greyish pink
Streak: 
white
Type Locality: 
Pantelleria Island, Trapani Province, Sicily, Italy