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Penkvilksite & Raite

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AMM1074507

Penkvilksite & Raite

Classic Locality

Description Tabs

Description
Locality: 
Yubileinaya Pegmatite, Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.5 × 1.3 cm
Largest Crystal: 
1.20cm
Description

Fine specimen with lots of white fine acicular crystallized penkvilksite in association with lots of light brown acicular raite and minor bluish narsarsukite. This a very richly decorated specimen.

From type locality for penkvilksite and raite. Penkvilksite is only known from four localities worldwide. Old and rare material.

Mineral Data
What's on the rock

Penkvilksite

Formula: 
Na4Ti2Si8O22·4H2O
Strunz: 
9.EA.60
Hardness: 
5.0
Colour: 
White
Type Locality: 
Yubileinaya pegmatite (Yubileinoye; Jubilejnaja), Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Raite

Formula: 
Na4Mn2+3Ti0.25Si8O20(OH)2·10H2O
Strunz: 
9.EE.55
Hardness: 
3.0 - 0.0
Streak: 
Yellow
Type Locality: 
Yubileinaya pegmatite (Yubileinoye; Jubilejnaja), Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Seller Information

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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.