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Wolframite Scheelite & Fluorite

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BSM506208

Wolframite Scheelite & Fluorite

ex Arthur Scoble Collection
Fluorescent

Description Tabs

Description
Locality: 
Hawkmoor Mine, Callington, Cornwall, United Kingdom
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
3.7 × 9 × 5.5 cm
Weight: 
288.00gr
Description

Quartz matrix with a fairly rich mass of wolframite, some of which is bladed in habit.  dispersed amongst the wolframite are grains of scheelite. One small depression reveals a partial crystal with a triangular face. The fluorite is colourless and embedded within the quartz though some cleavage surfaces can be identified.  It fluoresces a deep purple in long wave ultraviolet light.

Pasted Label
Mineral Data
What's on the rock

Wolframite

Synonym Of: 

Hübnerite

Formula: 
MnWO4
Strunz: 
4.DB.30
Hardness: 
4.0 - 4.5

Ferberite

Formula: 
FeWO4
Strunz: 
4.DB.30
Hardness: 
4.0 - 4.5
Formula: 
(Fe2+)WO4 to (Mn2+)WO4
Crystal System: 
Monoclinic
Hardness: 
4 - 4.5
Colour: 
Greyish-black
Streak: 
Reddish Brown

Scheelite

Formula: 
Ca(WO4)
Strunz: 
7.GA.05
Crystal System: 
Tetragonal
Hardness: 
4.5 - 5.0
Streak: 
White
Type Locality: 
Bispbergs Klack, Säter, Dalarna, Sweden

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Provenance

Seller Information

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