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Donnayite-(Y)

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FRR794964

Donnayite-(Y)

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 4.8 × 2.5 cm
Largest Crystal: 
1.10cm
Description

Donnayte is a very well defined elongated olive brown crystals, set atop a base of whitish Albite. The Donnayte crystals show the classic horizontal segmentation.

A bit of golden Pyrite is a nice ad, and a black sulphide (probably Sphalerite) is present as well.

Type locality for this quite uncommon phosphate very well represented.

Mineral Data
What's on the rock

Donnayite-(Y)

Formula: 
NaCaSr3Y(CO3)6·3H2O
Strunz: 
5.CC.05
Hardness: 
3.0
Type Locality: 
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

The item can be returned for whichever reason, provided its original conditions, and within 10 days from its delivery to the Buyer. In the case of returning, the Buyer will be entitled to the refund of the item price; shipping costs will remain at the Buyer's charge in any case.