Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Sillimanite With Muscovite

Views:
Watches:
QRI839725

Sillimanite With Muscovite

Former collection Christian Mavris
Classic Locality

Description Tabs

Description
Locality: 
Cuzzago-Proman Pegmatite, Premosello Chiovenda, Verbano-Cusio-Ossola Province, Piedmont, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 5.7 × 3.5 cm
Largest Crystal: 
3.50cm
Weight: 
81.00gr
Description

Well-formed crystal of blocky, prismatic grey sillimanite cropping out of the pale matrix. Very lustrous and rather clear of damage, it is associated to a few grey muscovite blades, very representative of this Alpine locality.

Dated back to the 90s or even earlier.

 

Mineral Data
What's on the rock

Sillimanite

Formula: 
Al2(SiO4)O
Strunz: 
9.AF.05
Crystal System: 
Orthorhombic
Hardness: 
6.5 - 7.5
Streak: 
white
Type Locality: 
Chester, Middlesex Co., Connecticut, USA

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Streak: 
White

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Shipping within 15 days after payment received, unless specified/agreed otherwise.

Combined shipping is possible, please inquire for details.