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Spinel Var Pleonaste With Augite Var Fassaite

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TBM1068647

Description Tabs

Description
Locality: 
Toal de la Foia, Moena, Trento Province, Trentino-Alto Adige, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
4 × 7 × 6 cm
Largest Crystal: 
0.30cm
Weight: 
120.00gr
Description

Nice dark green Spinel var. Pleonaste cluster crystals up to 3 mm, with faces of the octahedron modified by icositetrahedron, on green Augite var. Fassaite crystals up to 5 mm

Mineral Data
What's on the rock

Spinel

Formula: 
MgAl2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
7.5 - 8.0

Pleonaste

Variety Of: 

Spinel

Formula: 
MgAl2O4
Strunz: 
4.BB.05
Hardness: 
7.5 - 8.0
Hardness: 
0.0

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0

Fassaite

Variety Of: 

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Hardness: 
5.5 - 6.0
Hardness: 
0.0

Current price

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10
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Start 06 Sep 18:00
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Shipping Information

Postage Area Price
ITALY
9.50
EUROPE ( AREA 1)
13.50
AMERICAN - UK - ASIA - AFRICA - OCEANIA ( AREA 2/3):
17

Bid History

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