Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Kochsándorite & Böhmite

Views:
Watches:
CSL96078

Kochsándorite & Böhmite

Rare Mineral

Description Tabs

Description
Locality: 
Mány, Bicske-Zsámbéki Basin, Fejér County, Hungary
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.9 × 2.9 × 4.2 cm
Description

This is a very rare large specimen of the rare calcium aluminium hydroxylcarbonate mineral kochsandorite from the type locality and the only known locality.

It forms white acicular crystals and radiating aggregates in coal bearing marl matrix.

The mineral was discovered in 2004 and this is the only known locality so far. In 2005 the mine was closed, the dumps were recultivated, so no chance to find any new pieces.

Mineral Data
What's on the rock

Kochsándorite

Formula: 
CaAl2(CO3)2(OH)4·H2O
Strunz: 
5.DB.10
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Coal Mine, Mány, Bicske-Zsámbéki Basin, Fejér Co., Hungary

Böhmite

Formula: 
AlO(OH)
Strunz: 
4.FE.15
Crystal System: 
Orthorhombic
Hardness: 
3.5
Streak: 
White
Type Locality: 
Mas Rouge, Les Baux-de-Provence, Bouches-du-Rhône, Provence-Alpes-Côte d'Azur, France...
Loranth Minerals

Seller Information

Payment options: offline, paypal_wpp, paypal_wps