Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Thomsonite & Calcite

Views:
Watches:
NST735413

Thomsonite & Calcite

Description Tabs

Description
Locality: 
Oberwiddersheim, Nidda, Wetteraukreis, Darmstadt, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 1.6 × 1 cm
Description

Beautiful micromount showing Calcite rhombs on prismatic Thomsonite sprays.

Mineral Data
What's on the rock

Thomsonite

Synonym Of: 

Thomsonite-Ca

Formula: 
NaCa2[Al5Si5O20]·6H2O
Strunz: 
9.GA.10
Hardness: 
5.0 - 5.5

Thomsonite-Sr

Formula: 
Na(Sr,Ca)2[Al5Si5O20]·7H2O
Strunz: 
9.GA.10
Hardness: 
5.0 - 0.0

Calcite

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