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Topaz With Elbaite Lepidolite & Quartz

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KRM167954

Topaz With Elbaite Lepidolite & Quartz

Description Tabs

Description
Locality: 
Paprook, Nuristan Province, Afghanistan
Size Range: 
Small cabinet (7-10 cm)
Size: 
3.7 × 7 × 5 cm
Largest Crystal: 
2.70cm
Description

 A superb specimen of well terminated perfect topaz hosts to elbaite , lepidolite and quartz mixed matrix.

This specimen could further be cleaned.

Undamaged ,perfect specimen.

Old finds , no more production from the locality.

 

Mineral Data
What's on the rock

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
8.0
Streak: 
White

Elbaite

Formula: 
Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.5
Streak: 
White
Type Locality: 
Fonte del Prete, San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy...

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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