Switch currency

Piemontite-(Sr) & Manganvesuvianite With Hausmannite

Views:
Watches:
SMS1084328

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5 × 3.5 cm
Weight: 
152.58gr
Description

The specimen consists of prismatic crystals of manganvesuvianite on hausmannite ore body with a measure of pyramidal crystals of hausmannite outcropping. The vesuvianite also has massive patches included in the matrix. The vesuvianite has a dark maroon colour and some crystals show a deep sherry colour when backlit. There is a purple presence in the matrix that would be piemontite-(Sr).

Mineral Data
What's on the rock

Piemontite-(Sr)

Formula: 
{CaSr}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05
Hardness: 
6.0
Colour: 
Dark red
Type Locality: 
Molinello Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy

Manganvesuvianite

Formula: 
Ca19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9
Strunz: 
9.BG.35
Hardness: 
6.0 - 7.0
Streak: 
white
Type Locality: 
N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa...

Hausmannite

Formula: 
Mn2+Mn3+2O4
Strunz: 
4.BB.10
Hardness: 
5.5
Type Locality: 
Oehrenstock (Öhrenstock), Langewiesen, Ilmenau District, Thuringian Forest, Thuringia, Germany

Current price

$

Starting price

$10
(reserve not met) (reserve met)

You are the highest bidder

You have been outbid

Proxy bid set
$
Delayed bid pending at
$
Delayed Bid is Outbid

Your maximum bid $:

(Enter or more)

Start 23 Nov 18:00
End
No. of bids view history

Shipping Information

Postage Area Price
Europe up to 500 grams
$12
Europe up to 1 kilogram
$16
United States up to 500 grams
$14
United States up to 1 kilogram
$18
Rest of world up to 500 grams
$14
Rest of world up to 1 kilogram
$18

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Terms and Conditions

1. Bidding:

• By placing a bid, bidders agree to purchase the item at the bid price if they have the winning bid at the end of the auction.

2. Winning Bidder:

• The highest bid at the end of the auction wins the item.

3. Payment:

• Payment must be made within 24 hours of winning the auction.

• The accepted payment method is PayPal.

• Failure to make payment within the specified time may result in the cancellation of the winning bid.

Contact Information:
For any inquiries or concerns, please contact us by clicking the "Ask seller a question" link to send us a message.

Bid History

Full bid history