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Magnesio-foitite

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AMM981061

Magnesio-foitite

Description Tabs

Description
Locality: 
Maldynyrd Range, Kozhim River, Komi Republic, Russian Federation
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 2.2 × 1.4 cm
Description

Specimen with blue-grey magnesio-foitite in association with quartz-matrix. Old specimen.

Mineral Data
What's on the rock

Magnesio-foitite

Formula: 
(□,Na)(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Crystal System: 
Trigonal
Hardness: 
7.0
Type Locality: 
Kyonosawa, Mitomi-mura, Yamanashi prefecture, Chubu region, Honshu Island, Japan

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

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.