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Eudidymite & Siderite

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SYM1065217

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.5 × 2 cm
Description

Nice crystals of clear eudidymite crystals with interesting green siderite (analysed) on the matrix. New find (2024)

Mineral Data
What's on the rock

Eudidymite

Formula: 
Na2Be2Si6O15·H2O
Strunz: 
9.DG.60
Hardness: 
6.0
Type Locality: 
Eudidymite locality, Lille Arøya (Midtre Arøy; Øvre Arøy; Övre-Arö), Langesundsfjorden, Larvik, Vestfold, Norway

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White