Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Harmotome & Calcite On Galena

Views:
Watches:
CLB128271

Harmotome & Calcite On Galena

ex coll. Uwe Junghans
Type Locality

Description Tabs

Description
Locality: 
St Andreasberg District, Lower Saxony, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.2 × 3 cm
Description

Rare type locality specimen of harmotome.

Mineral Data
What's on the rock

Harmotome

Formula: 
(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] ·12H2O
Strunz: 
9.GC.10
Crystal System: 
Monoclinic
Hardness: 
4.0 - 5.0
Streak: 
White
Type Locality: 
St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey

Seller Information

Payment options: offline, paypal_wpp, paypal_wps