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Catapleiite

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LMB633351

Catapleiite

Classic Locality

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.5 × 3.5 cm
Description

Catapleiite is known from numerous alkali localities, but, with very few exceptions, the most attractive specimens come from MSH. The crystals on this specimen are far from the largest that MSH offers, but they are among the most beautiful that I have seen. And there are very many of them.

In the photos I have relied heavily on reflections in order to make the shapes clear, but in reality, most of the crystals are colorless and water clear. (Some are slightly frosted, and many are sprinkled with pyrite.) Without reflections, photographs tend to become incomprehensible jumbles.   

FOV in the first four pairs of photos is resp. 4.3 x 6.6 mm, 4.1 x 6.6 mm, 5.3 x 4.4 mm and 4.55 x 6.65mm. The largest crystal in these photos are ca 2.3 mm. (There are some larger crystals, but they are not as attractive.) The last of these pairs of photos avoided reflections for the most part. The transparency of the crystals may be more evident in these photos, but the shapes are not as discernible as in the other three pairs of photos.

All of the close-up photos show parts of the same elongated cavity, but there are other, smaller, cavities with similar crystals. The arrows in the macro photo point roughly to the crystals that were photographed.

Single item shipping weight (no case) is 4.8 oz (136 g). For shipments outside the USA, up to a total weight < 8 oz (225g), this can be combined with items from this or other auctions for the same postage.

Within the USA, postage for total weights up to 13 oz ranges from $4.50 to $6.50 (including packing etc) regardless of destination. Above 13 oz, I will use “own box” Priority Mail. The rate, including packing, varies by destination from $7.25 to $9.50.

See my updated “Shipping Policy” for details. 

Mineral Data
What's on the rock

Catapleiite

Formula: 
Na2Zr(Si3O9)·2H2O
Strunz: 
9.CA.15
Crystal System: 
Hexagonal
Hardness: 
5.5 - 6.0
Type Locality: 
Låven (Skådön; Lamö; Lamanskjaer), Langesundsfjorden, Larvik, Vestfold, 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.