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Corundum Var Ruby Biotite & Oligoclase

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HAN615059

Corundum Var Ruby Biotite & Oligoclase

Fluorescent

Description Tabs

Description
Locality: 
Kleggåsen Ruby Quarry, Froland, Agder, Norway
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.9 × 6.15 × 1.97 cm
Description

Bright raspberry coloured crystallised ruby dispersed through a quartz and biotite matrix - specimen from the 80's
Ruby crystals are in a biotite matrix very rich of oligoclase. - corundum and oligoclase 
1st photo in UV-LW , 2nd in natural light

Mineral Data
What's on the rock

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
9.0
Streak: 
White

Ruby

Variety Of: 

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Hardness: 
9.0
Formula: 
Al2O3
Crystal System: 
Hexagonal
Hardness: 
9.0
Colour: 
Red

Biotite

Group Parent: 
Mica Group

Oligoclase

Variety Of: 

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Formula: 
(Na,Ca)[Al(Si,Al)Si2O8]
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Streak: 
White

Seller Information

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After a sale we expect to receive the payment with Pay Pal within 48 hours. You can return the goods within 14 days of receiving them by registered priority mail with tracking number. Buyer pays the costs of the return shipping