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Pectolite

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LMB164766

Pectolite

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Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.5 × 2 cm
Description

Well formed, blocky, xls to ~ 6mm. The xl in the main photo is ~ 3.7 mm tall. The xl in the second and third photos is ~ 6 mm tall. These photos form a stereo pair. If you flip back and forth between these photos, the xl will seem to rotate in 3D. Best using 10-15X magnification.

Pectolite is a common mineral in the marble xenoliths at MSH. Well formed, blocky xls, with good, glassy, terminations are a lot less common. Even here, pectolite generally tends to have fibrous terminations, at least in part.

The greenish/yellow stuff is calcite (not shortite). The little dark prisms are an amphibole – probably arfvedsonite group.

Weight 0.8 oz.

Mineral Data
What's on the rock

Pectolite

Formula: 
NaCa2(HSi3O9)
Strunz: 
9.DG.05
Hardness: 
4.5 - 5.0
Streak: 
White
Type Locality: 
Sano, Mori, Mt. Baldo, Lagarina Valley, Trento Province, Trentino-Alto Adige (Trentino-Südtirol), Italy
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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