Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Harmotome

Views:
Watches:
MEX604355

Harmotome

Classic Locality

Description Tabs

Description
Locality: 
Whitesmith Mine, Strontian, Argyll, Scotland, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.1 × 3.9 × 2.9 cm
Weight: 
84.00gr
Description

Nice specimen with a lot of white to white translucent crystals of harmotom on carbonate matrix. The smaller crystals shows partial visible twins.

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