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Fluoborite & Norbergite

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RMM32807

Fluoborite & Norbergite

Collected by seller
Rare Mineral

Description Tabs

Description
Locality: 
Crystal Lake, Galway Township, Peterborough County, Ontario, Canada
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2 × 2 cm
Largest Crystal: 
0.40cm
Description

This specimen contains grey fluoborite, blebs of orange norbergite in white calcite with minor black graphite and bright white dolomite.

The norbergite fluoresces a dull orange and the fluoborite fluoresces a bright white in short-wave UV light.

Mineral Data
What's on the rock

Fluoborite

Formula: 
Mg3(BO3)(F,OH)3
Strunz: 
6.AB.50
Crystal System: 
Hexagonal
Hardness: 
3.5
Streak: 
White
Type Locality: 
Tallgruvan, Kallmora, Norberg, Västmanland, Sweden

Norbergite

Formula: 
Mg3(SiO4)(F,OH)2
Strunz: 
9.AF.40
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5
Type Locality: 
Östanmossa mine, Röberg ore field, Norberg, Västmanland, Sweden

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

If you have any questions or concerns, feel free to contact us and we will work with you to find a solution.

Please note that we do not hold any responsibility for transport damages or loss of shipped goods if insured shipping is not purchased. Transport damages are to be claimed directly to the transport company in case of insured shipment. The recipients are solely responsible for the compliance of the shipped items with local customs restrictions and tax issues.