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Andradite On Hornblende

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TBM804272

Andradite On Hornblende

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Description Tabs

Description
Locality: 
Qalat-e Bala Salt Dome, Bandar-Abbas County, Hormozgan Province, Iran
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.4 × 2.5 cm
Weight: 
27.00gr
Description

Shiny  honey yellow crystals  4 mm long implanted on   Horneblende striated crystals  . It is a sample that comes from a private collection of an Italian surveyor  and digged around 1970 in Hormuz zone.

Mineral Data
What's on the rock

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Drammen, Buskerud, Norway

Hornblende

Synonym Of: 

Ferro-hornblende

Formula: 
☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2
Strunz: 
9.DE.10
Hardness: 
5.0 - 6.0

Magnesio-hornblende

Formula: 
☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Strunz: 
9.DE.10
Hardness: 
5.0 - 6.0