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Minerals: Forsterite cristal with spinel
Dimensions: (21.71×26.17×60.86) mm
Origin: Parker Mine, Notre-Dame-du-Laus, Quebec, Canada
Information: This specimen comes from a formation of marble (calcitic and dolomitic), quartzite, amphibolite and pyroxenite. The crystallization of this forsterite is the result of vacuolar growth in the formation. The spinels form a deposit at the end of the crystal.