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Donnayite Group

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LMB167342

Donnayite Group

Pseudomorph

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 1.6 × 1.2 cm
Largest Crystal: 
0.20cm
Weight: 
3.00gr
Description

The "crystals" on this specimen are actually pseudomrphs of "mush" after a donnayite group mineral. It was not possible to identify any specific species in the "mush" via EDS. 

The larger crystal in the main photo is 1.6 mm tall. The crystal in the second photo is ~ 2 mm long. The third photo shows two more crystals, the larger one 1.7 mm in diameter. One of the crystals is visible at top right in the macro photo.

The matrix is corroded feldspar with small smoky quartz crystals sprinkled with very small pyrite cubes.

Single item shipping weight 3.0 oz. Outside the USA, the stated postage and packing rate applies up to a total weight of 8 oz (225 g).

Within the USA, postage now varies by destination. For total weights up to 13 oz, it ranges from $4.50 to $7.00 (including packing etc). Above 13 oz (up to 16 oz), I will use “own box” Priority Mail. The rate, including packing, varies from $8 to $10.

 

Mineral Data
What's on the rock
Not Sold

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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