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Astrophyllite & Aegirine

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LMB169837

Astrophyllite & Aegirine

Description Tabs

Description
Locality: 
Demix-Varennes Quarry, Varennes & St-Amable, Montérégie, Québec, Canada
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.4 × 3 × 3 cm
Description

Two good aggregates of tabular astrophyllite plates ~ 0.6 mm long. You will need 30-40X to view them. There is also relatively robust (for Saint-Amable) aegirine, but I wasn’t able to “light it up” at the same time as the astrophyllite.

At MSH, this habit would suggest kupletskite, but the latter has not been reported from Saint-Amable.

Weight 0.6 oz. Single item shipping weight 2.6 oz. Up to a total weight < 4 oz., this could be combined with other items for the same postage. Alternatively, outside the USA, this could be mailed in a padded envelope for $7.

Mineral Data
What's on the rock

Astrophyllite

Formula: 
(K,Na)3(Fe,Mn)7Ti2Si8O24(O,OH)7
Strunz: 
9.DC.05
Crystal System: 
Triclinic
Hardness: 
3.0
Streak: 
Golden
Type Locality: 
Låven (Skådön; Lamö; Lamanskjaer), Langesundsfjorden, Larvik, Vestfold, Norway

Aegirine

Formula: 
NaFe3+Si2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.25
Crystal System: 
Monoclinic
Hardness: 
6.0
Type Locality: 
Rundemyr, Øvre Eiker, Buskerud, Norway
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.