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Fredrikssonite

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AMM965235

Fredrikssonite

Rare Mineral

Description Tabs

Description
Locality: 
Jakobsberg Mine, Nordmark, Filipstad, Värmland County, Sweden
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1 × 0.8 cm
Description

Very beautiful specimen with some dark brown elongated fredrikssonite crystals high in contrast on light matrix. Old collection specimen. Fredrikssonite is only known from two localities worldwide. Very rare.

Mineral Data
What's on the rock

Fredrikssonite

Formula: 
Mg2(Mn3+,Fe3+)(BO3)O2
Strunz: 
6.AB.30
Hardness: 
6.0
Type Locality: 
Långban, Filipstad, Värmland, Sweden

Seller Information

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Seller's terms and conditions

Accepted payment methods: PayPal, bank transfer.

Money back guarantee is valid until 14 days after receiving the payment. The refund will be initiated immediately upon receiving the minerals back. Due to the return time, there may be a delay in the refund.