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Yofortierite Eudialyte

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JMX852358

Yofortierite Eudialyte

self collected

Description Tabs

Description
Locality: 
Demix-Varennes Quarry, Varennes & St-Amable, Montérégie, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 3.5 × 3 cm
Largest Crystal: 
0.40cm
Description

yofortierite and eudialyte in a small pocket in nephiline syenite main sill. Demix quarry is close to Mont Saint Hilaire and has around 120 species most similar to MSH but often in different visual appearance and size.

 

Mineral Data
What's on the rock

Yofortierite

Formula: 
Mn5Si8O20(OH)2·8-9H2O
Strunz: 
9.EE.20
Hardness: 
0.0
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

Eudialyte

Formula: 
Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Strunz: 
9.CO.10
Hardness: 
5.0 - 6.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

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$45
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Shipping Information

Postage Area Price
Canada
$15
USA
$20
Worldwide
$40