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Ferri-winchite

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AMM1021866

Ferri-winchite

Description Tabs

Description
Locality: 
Kionia Bay, Tinos Island, South Aegean, Greece
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.4 × 1.4 cm
Description

Fine specimen richly decorated with bluish elongated ferriwinchite. Investigated specimen. Ex. diploma mineralogist Manfred Schaeffer.

Mineral Data
What's on the rock

Ferri-winchite

Formula: 
☐[CaNa][Mg4(Fe3+,Al)]Si8O22(OH)2
Strunz: 
9.DE.20
Hardness: 
5.5
Colour: 
black
Type Locality: 
Ilmenogorsky alkaline complex (Ilmensky), Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

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.