Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Schoenfliesite & Hulsite

Views:
Watches:
MNR621435

Schoenfliesite & Hulsite

Classic Locality

Description Tabs

Description
Locality: 
Zlatý Kopec, Boží Dar, Karlovy Vary, Karlovy Vary Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 5 × 2.3 cm
Description

Fantastic schoenfliesite with yellow schoenfliesite crystals on matrix.   Crystals can be found on both sides of the sample. There is also black hulsite present as on the pictures.

Schoenfliesite was named after Arthur Schoenflies (1853-1928) and is a very rare magnesium-hydroxystannate (a rare magnesium and tin combination).

 

Mineral Data
What's on the rock

Schoenfliesite

Formula: 
Mg[Sn(OH)6]
Strunz: 
4.FC.10
Hardness: 
4.0 - 4.5
Type Locality: 
Brooks Mountain, Seward Peninsula, Nome Borough, Alaska, USA

Hulsite

Formula: 
(Fe2+,Mg)2(Fe3+,Sn)(BO3)O2
Strunz: 
6.AB.45
Hardness: 
3.0
Colour: 
Black
Type Locality: 
Brooks Mountain, Seward Peninsula, Nome Borough, Alaska, USA