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Vesuvianite Var Idocrase

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LGM134488

Vesuvianite Var Idocrase

Ex Dr. Krantz, Bonn, Germany
With Antique Label

Description Tabs

Description
Locality: 
(Siberia), Russian Federation
Size Range: 
Small cabinet (7-10 cm)
Size: 
3.5 × 7.5 × 4 cm
Description

Olive-green, lustrous crystals of vesuviane var idocrase from siberia. Some residual calcite can be easily etched away if desired. It has a small "Mus. M&M" sticker which indicates that this is a specimen out of the collection of Charles Ottley Groom-Napier (1839-1894), also known as the Prince of Mantua and Montferrat , a collector with an interesting biography (see http://mineralogicalrecord.com/labels.asp?colid=370). An interesting specimen with pedigree! Weight: 195 grams

Mineral Data
What's on the rock

Vesuvianite

Formula: 
(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Strunz: 
9.BG.35
Hardness: 
6.5
Streak: 
White
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Idocrase

Renamed To: 

Vesuvianite

Formula: 
(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Strunz: 
9.BG.35
Hardness: 
6.5

Seller Information

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