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Tourmaline Var Luinaite-(OH) On Rock Crystal

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RHT724008

Tourmaline Var Luinaite-(OH) On Rock Crystal

Classic Locality

Description Tabs

Description
Locality: 
Bald Hornet Claim, King County, Washington, United States of America
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 2.7 × 2 cm
Weight: 
16.00gr
Description

Luinaite-(oh) is one of the rarest of the tourmaline group with only 10 localities known so far, the Bald Hornet claim being the best by far.

his is a very rich specimen with sheaves of lustrous, olive-green, acicular luinaite-(oh) crystals on rock crystal.

Collecting is forbidden at the locality nowadays, because the area was turned into a nature reserve.

Mineral Data
What's on the rock

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7

Luinaite-(OH)

Formula: 
Na(Fe2+)3Al6(Si6O18)(BO3)3(OH)3(OH)
Hardness: 
0.0
Type Locality: 
Mt Cleveland Mine, Luina, Heazlewood district, Tasmania, Australia

Rock Crystal

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
Hardness: 
0.0
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