Mineral: Siderite
Locality: Poudrette Quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Dimensions: 7.5 x 7.5 x 3 cm
Description: Mass: 217 g
MIM number:1784
Dark green floating twinned crystal displaying several perfect equilateral triangles.
Photographer: FMI / James Elliott
Publication: "Minéraux - Le Guide des Passionnés"
Ex collection Gilles Haineault (Canada)
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