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Nabalamprophyllite

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AMM997865

Nabalamprophyllite

Rare Mineral

Description Tabs

Description
Locality: 
Gordon Butte, Meagher County, Montana, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1 × 1 cm
Description

Fine specimen with some yellowish brown platy nabalamprophyllite on matrix.

Nabalamprophyllite is only known from four localities worldwide. Specimen from type locality. Rare mineral.

Mineral Data
What's on the rock

Nabalamprophyllite

Formula: 
Na3(Ba,Na)2Ti3(Si2O7)2O2(OH,F)2
Strunz: 
9.BE.25
Hardness: 
3.0 - 0.0
Streak: 
white
Type Locality: 
Kovdor Phlogopite mine (Mica Mine; Slyuda Mine; Kovdorslyuda Shaft), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

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.