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Arfvedsonite & Microcline

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TBM1163294

Description Tabs

Description
Locality: 
Imilchil, Errachidia Province, Drâa-Tafilalet Region, Morocco
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 1.5 × 0.8 cm
Largest Crystal: 
3.30cm
Weight: 
9.00gr
Description

Nice tabulan black Arfvedsonite crystal up to 33 mm with Microcline crystals up to 5 mm

Mineral Data
What's on the rock

Arfvedsonite

Formula: 
[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Strunz: 
9.DE.25
Hardness: 
5.0 - 6.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

Microcline

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Arendal, Aust-Agder, Norway

Current price

Starting price

10
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Start 26 Jan 18:00
End
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Shipping Information

Postage Area Price
ITALY
9.50
EUROPE ( AREA 1)
13.50
EUROPE ( AREA 1A)
19
USA
41
AMERICAN - UK - ASIA - AFRICA - OCEANIA ( AREA 2):
14
OCEANIA ( AREA 3):
15

Bid History

Full bid history