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Cristobalite

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BSM82779

Cristobalite

ex Pearl Freeman Collection

Description Tabs

Description
Locality: 
Barranca de Oblatas, Huaentitan, Guadalajara, Jalisco, Mexico
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 2.1 × 1.8 cm
Description

Pale reddish brown spheres, one on top of the other. The main sphere displays concentric layered development.

Mineral Data
What's on the rock

Cristobalite

Formula: 
SiO2
Strunz: 
4.DA.15
Crystal System: 
Tetragonal - Trapezohedral
Hardness: 
6.0 - 7.0
Streak: 
White
Type Locality: 
Cerro San Cristóbal, Mun. de Pachuca, Hidalgo, Mexico
Provenance

Pearl Freeman Collection

Wed, 2015-07-22 22:52 -- admin
Some History
Dates: 
Post War- 
2011
Type: 
Collector/Collection
Specialisms: 
Baryte, United Kingdom, Peru, Sulphides
About

Pearl and her husband Sid were enthusiastic mineral collectors for several decades; Pearl was also long time treasurer of the British...

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions
1. the successful bidding price is the price that will appear on your invoice. 2.Goods will be sent first class post within the UK and by small packet air mail to the US. Delivery will normally be within 7 days of despatch. Postage will be charged at cost and will be included on your invoice. 3. there are no additional charges for VAT or any other taxes. 4. insurance can be arranged, if requested, and will be charged as part of the shipping costs. 5. Goods will only be despatched on receipt of payment. For methods of payment please see "Payment Types" 6. We aim to give complete satisfaction at all times. Goods are supplied on 14 days approval. If you are not satisfied with your purchase and the goods are returned undamaged within that time we promise to refund the full value of the item(s) returned, excluding any postage incurred in the transaction. 7. Broadstone Minerals operates a Privacy policy. We do not disclose buyer's information to third parties. Cookies are used to keep track of the contents of your shopping trolley once you have selected an item, to store delivery addresses if the address book is used and to store your details if you select the "remember me " option.