Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Harmotome

Views:
Watches:
PCZ704048

Harmotome

Description Tabs

Description
Locality: 
Whitesmith Mine, Strontian, Argyll, Scotland, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.8 × 5.3 × 3.7 cm
Description

Another specimen from my own collection. Top quality harmotome crystals up to 0.8 cm across from on of the worlds best localities for this species. It may lack colour but makes a lovely little display. 

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
Peter Crozier Minerals