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Sérandite & Manganoneptunite

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CFL762718

Sérandite & Manganoneptunite

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 8.5 × 8 cm
Description

Superb aggregate of dark salmon serandite crystals associated with a second generation of small gemmy serandite crystals, several of which are bi-terminated, and with analcime, natrolite, polylithionite, aegirine and a beautiful group of manganoneptunite crystals.

Mineral Data
What's on the rock

Sérandite

Formula: 
Na(Mn2+,Ca)2(HSi3O9)
Strunz: 
9.DG.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Rouma Island (Roume Island; Roma Island; Ruma Island), Los Archipelago (Los Islands), Guinea

Manganoneptunite

Formula: 
Na2KLi(Mn2+,Fe2+)2Ti2[Si8O24]
Strunz: 
9.EH.05
Crystal System: 
Monoclinic
Hardness: 
5.0 - 6.0
Colour: 
Red
Type Locality: 
Maly Mannepakhk Mt (Malyi Mannepakhk Mt), Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Current price

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Starting price

$1000
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Start 31 May 18:00
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Shipping Information

Postage Area Price
Canada
$20
USA
$17
Europe
$37
Rest of World
$42

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

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Collection Arkane accept payments by Paypal and direct email messages.