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Garnet Var Uvarovite With Kämmererite

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LGM630799

Garnet Var Uvarovite With Kämmererite

Ex Kristalldruse - Christian Weise, Munich, Germany
With Antique Label

Description Tabs

Description
Locality: 
Virgen, Virgen Valley, East Tyrol, Tyrol, Austria
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.5 × 4 × 1.5 cm
Largest Crystal: 
0.10cm
Weight: 
10.00gr
Description

Specimen hosting a small group of deep green garnet var uvarovite crystals, embedded in a quartz lens in kaemmererite resp. chromian clinochlore matrix.

Regarding the given locality, "Klein Iseltal" (little Isel valley) is likely an old name for the virgen valley, a secondary valley at upper Isel valley, which features serpentinite outcrops near the waterfall in the lower Umbal valley. Here, the typical minerals like chromian chlinochlore, uvarovite, antigorite etc. were found. Uvarovite garnet, especially crystals, is very rare in alpine localities.

Comes with old Tausch coll. label and on-glued corresponding number sticker plus additional Kristalldruse Munich label.
Karl Tausch (Engineer, German Mine Director "Bergdirektor") was born in 1893 and grew up in the town of Marburg-an-der-Dräu (Maribor) in former Yugoslavia. Following Tausch's death in the 1970s, Christian Weise purchased his 7,000-specimen mineral collection from his widow and resold all but about ten of the best specimens through his dealership in Munich, Kristalldruse.

Mineral Data
What's on the rock

Uvarovite

Formula: 
Ca3Cr2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Saranovskii Mine (Saranovskoe), Saranovskaya Village (Sarany), Gornozavodskii area, Permskaya Oblast', Middle Urals, Urals Region, Russia...

Kämmererite

Variety Of: 

Clinochlore

Formula: 
(Mg,Fe2+)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Hardness: 
2.0 - 2.5
Hardness: 
0.0
Streak: 
white

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