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Elbaite In Muscovite

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PDM665665

Elbaite In Muscovite

Description Tabs

Description
Locality: 
Dobbelsberg Farm 99, Karibib, Erongo Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
12.8 × 7.2 × 6.3 cm
Largest Crystal: 
9.30cm
Description

Aggregate of subparallel, pinkish-white prismatic crystals of elbaite to 9 cm in length, imbibed a muscovite and felspar matrix. They are not terminated, and some display an intense blue external layer. Uncommon Namibian locality.

Ex. Dr. Gerard Vogel specimen.

Mineral Data
What's on the rock

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...

Muscovite

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

Seller Information

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