Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Sturmanite & Calcite

Views:
Watches:
KMF639995

Sturmanite & Calcite

ex Uli Bahmann
Classic Locality

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.2 × 3.6 cm
Description

A unique association piece from the Uli & Anka Bahmann KMF collection retains its original number 20 attached to the base. 

Relatively isolated blades of gemmy amber colored sturmanite resembling wulfenite despite their hexagonal form occur amongst radiant sprays of spikey white scalenohedral calcite crystals.

There is attachment related contact damage.

Mineral Data
What's on the rock

Sturmanite

Formula: 
Ca6(Fe3+,Al,Mn3+)2(SO4)2[B(OH)4](OH)12·25H2O
Strunz: 
7.DG.15
Crystal System: 
Trigonal
Hardness: 
2.5
Type Locality: 
Black Rock Mine, Black Rock, Kalahari manganese field, Northern Cape Province, South Africa

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Thank you for your purchase!

All parcels are sent with Registered airmail.


I can offer a weekly DHL service at an additional cost, please send me a message should you require a quote for this type of shipping, This is usually a once a week service.


**Delivery times can vary depending on the destination, I usually work on 3-4 weeks, Customs can hold your parcel for inspection, this is out of my control, This especially occurs in Germany and the USA.please contact me to assist in tracking your parcel before opening up a request.**

**In some countries the customs office issue the parcel with a local  tracking number when it enters the country, this can be obtained by your local customs office, this includes all East Asian countries, Australia and New Zealand. if this occurs then I am unable to track the parcel unless you can provide me with the new tracking number. **



Combined shipping available:



Pay for the largest items' full shipping cost then I add $10 per additional item.  the usual maximum items I can fit per box is 3, should there be additional items I then price a new box with the same calculation largest items full shipping + additional items at reduced rate. etc

 I calculate the combined shipping automatically at the end of a auction. you will receive a revised invoice should you have won more than one item.

Courier shipping is also available, please inquire about a rate once you have won your items and I will advise on price according to dimension/weight, and if you wish to use this service I will revise your invoice accordingly.