Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Olmiite & Bultfonteinite

Views:
Watches:
SSM890652

Olmiite & Bultfonteinite

Type Locality

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.1 × 6.1 × 3.4 cm
Weight: 
135.58gr
Description

Tan-coloured olmiite (type-locality) crystals on manganese ore rock with some micro tufts of white bultfonteinite. Some of the crystals partially display the typical corroded texture associated with some of the olmiite from N'chwaning ll.

Mineral Data
What's on the rock

Olmiite

Formula: 
CaMn2+[SiO3(OH)](OH)
Strunz: 
9.AF.90
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa...

Bultfonteinite

Formula: 
Ca2(HSiO4)F·H2O
Strunz: 
9.AG.80
Hardness: 
4.5
Streak: 
white
Type Locality: 
Bultfontein, Lejweleputswa District, Free State Province, South Africa

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

 

Our parcels are normally sent via post office airmail with a tracking number, however courier services are available on request.

Delivery times will vary with destination. Please note that Customs can delay the shipment and this is out of our control. Kindly contact us to assist with tracking if you are experiencing longer than expected delays. 

Please note that all of our specimens are carefully packaged and marked as fragile. As soon as it has been posted, we shall e-mail you with the tracking number of the parcel.

Insurance will be taken out only if it is the buyer's expressed wish. 

If your country has Customs and Import duty fees, it will have to be for your account.