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Burbankite

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LMB166442

Burbankite

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Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 4.2 × 1.7 cm
Largest Crystal: 
0.30cm
Description

The gemmy greenish-yellow xl is a bit > 3 mm long. It’s a decent xl, but not well exposed. It’s hemmed in by etched analcime and fragments of other burbankite xls. In particular, the termination has a burbankite fragment stuck to it.

In the macro photo, this xl is in the upper right corner. It would probably be easy enough to split this part off to make a more respectable “micro”. I left the specimen “as is”, because some of the analcime has bizarre shapes. But if you want it trimmed – let me know.

The platy metallic xl at bottom right is probably a pyrite @ pyrrhotite pseudomorph.

Weight 1.7 oz. Actual postage according to total weight.

Mineral Data
What's on the rock

Burbankite

Formula: 
(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
Strunz: 
5.AC.30
Crystal System: 
Hexagonal
Hardness: 
3.5
Type Locality: 
Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mts, Hill Co., Montana, USA
LMB minerals

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

In addition to the standard terms and conditions, please note the following. Almost all IDs are visual. While in most cases the ID is obvious, there may be cases where it is not. If you are doubtful about a particular ID, please ask for more information. Or do not bid! Similarly, if you are not sure that the specimen meets your criteria, do not bid. I have tdone the best I can with the photos. Nevertheless, if you are not happy with a specimen for any reason, I will refund the bid price – but not the shipping costs (unless the fault is clearly mine) – if the specimen is returned. This policy applies even if analysis of the specimen shows that my ID was incorrect. When in doubt, ask - or don’t bid. Note that most crystals at MSH and Varennes are micros - even if on large specimens. Please pay attention to the stated sizes. Any customs duties, fees etc. are the responsibility of the buyer.

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