Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Augite & Olivine

Views:
Watches:
ZLT100529

Augite & Olivine

Description Tabs

Description
Locality: 
Limberg Quarries, Sasbach am Kaiserstuhl, Freiburg Region, Baden-Württemberg, Germany
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 4 × 2.5 cm
Description

Limonitic matrix on limburgite with augite and partial PSM of olivine first described as "hyalosiderite" in 1823.

Mineral Data
What's on the rock

Augite

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

Olivine

Synonym Of: 

Olivine Group

Formula: 
(Mg,Fe2+)2SiO4
Group Parent: 
Olivine
Crystal System: 
Orthorhombic
Hardness: 
6.5 - 7
Colour: 
Yellowish green, olive green, greenish black, or reddish brown
Streak: 
White

Seller Information

Payment options: offline, paypal_wpp, paypal_wps