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Petalite With Elbaite

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LGM589221

Petalite With Elbaite

Ex Dr. Krantz, Bonn, Germany
Type Locality

Description Tabs

Description
Locality: 
Utö Island, Haninge, Stockholm County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
4 × 7.5 × 3 cm
Weight: 
102.00gr
Description

White petalite from the type locality Utö island, Södermanland, Sweden. First described in 1800, from the Greek "petalon" for leaf, in allusion to the perfect basal cleavage, which is apparently visible.
Accompanied by minor mica and blue elbaite.

Comes with antique Dr. F. Krantz pen & ink label, dated 1900-1920.

Mineral Data
What's on the rock

Petalite

Formula: 
LiAl(Si4O10)
Strunz: 
9.EF.05
Crystal System: 
Monoclinic
Hardness: 
6.5
Streak: 
White
Type Locality: 
Utö Mines, Utö, Södermanland, Sweden

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...

Seller Information

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