Sierra de Cruces, Mun. de Sierra Mojada, Coahuila, Mexico

Ca₃Al₂(SiO₄)₃

Crystal System: cubic
Colour: brown, orange, red, yellow, green, white or colorless
Lustre: vitreous, sub-vitreous
Habitus: dodecahedral or trapezohedral
Hardness: 6½ - 7
Fracture:  irregular/uneven, sub-conchoidal
Cleavage: none observed
Density: 3.594 g/cm³ 
Origin and geological occurrence: it belongs to the garnet supergroup. Grossular can be found in contact and regionally metamorphosed calcareous rocks or rocks which have undergone calcium metasomatism. Also in some schists and serpentinites.

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Samples:

	9A.5 Grossular Yellowish rombododecahedral crystals in skarn.  #neso soro silicates
	9A.10 Grossular Yellow-brown rombododecahedral crystals with diopside. #neso soro silicates