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Nenadkevichite Sérandite & Albite

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SYM1054256

Nenadkevichite Sérandite & Albite

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Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 2.7 × 2 cm
Description

Nice hexagonal crystals of nenadkevichite with serandite and pink albite on the matrix. 

Mineral Data
What's on the rock

Nenadkevichite

Formula: 
(Na,◻)8Nb4(Si4O12)2(O,OH)4·
Strunz: 
9.CE.30a
Hardness: 
5.0
Type Locality: 
Natrolite Stock (Pegmatite No. 61), Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

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

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Finnbo (Finbo), Falun, Dalarna, Sweden

Current price

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$10
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Start 20 Jun 18:00
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Shipping Information

Postage Area Price
US
$15
Rest of World
$20
Canada
$15
View sellers shipping policy

All shipping is sent by Canada Post (in general by air mail) and will occur 2 to 5 days after payment is received. For whatever reason, if there is a delay, I will contact the winner. All sales are final. 

Customs and/or duty fees are the responsibility of the client.

 

SINGLE winning  -  The shipping cost listed.

MULTIPLE winnings. -  The single item won with the highest shipping cost. There will be no additional charge for the other items,  Applies to current auction only. 

 

Please note that the listed shipping cost does not include tracking numbers or insurance. Please e-mail me if you would like any additional mailing services, for example tracking number. 

 

 

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