Black AEGIRINE crystals that have grown in salmon-pink SERANDITE. From the famous locality of Mont Saint-Hilaire in Quebec, Canada.

AEGIRINE is a sodium iron silicate mineral with hardness of 6 and in the Monoclinic crystal system.

SERANDITE is a sodium, manganese silicate mineral. Serandite is a member of the  Wollastonite group and is the manganese analogue of Pectolite (e.g., Larimar). Serandite belongs to the Triclinic crystal system. Hardness is 5 – 5.5 on the Mohs scale. 

Location: Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Mont Saint-Hilaire is one of the most famous mineral localities in the world. Some 430 valid minerals are known from this location. At Mont Saint-Hilaire, Quebec, Serandite occurs in sodalite xenoliths and pegmatites cutting syenites.

Specimen size: 1.7 x 0.5 x 0.4 inches

Specimen weight: 9 grams (0.3 ounces)