Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Arfvedsonite & Pyrophanite On Orthoclase

Views:
Watches:
SLN515646

Arfvedsonite & Pyrophanite On Orthoclase

Description Tabs

Description
Locality: 
Mount Malosa, Zomba, Southern Region, Malawi
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
3.8 × 7.2 × 5.1 cm
Largest Crystal: 
2.20cm
Weight: 
110.00gr
Description

Nice specimen with a lot of big arfvedsonite crystals of excellent brightness up to 2.2 X 1.5 Cm. in association small pyrophanite crystals of good brightness and a beautiful black color with on matrix of creamy crystallized orthoclase. Crystals are present in different sides of the piece

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

Pyrophanite

Formula: 
Mn2+TiO3
Strunz: 
4.CB.05
Hardness: 
5.0 - 6.0
Type Locality: 
Harstigen Mine, Pajsberg, Persberg district, Filipstad, Värmland, Sweden

Orthoclase

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0
Streak: 
White

Seller Information

Payment options: offline, paypal_wpp, paypal_wps