
It is the more or less intense purple color variety of "quartz" (silicon oxide crystallizing in the trigonal system)
General Physical properties: hardness 7 - density 2.65 g/cm3 - refractive index 1.544 and 1.553
Weight 2.58 Kt
Size 8x9.20x6 mm
Cut: cushion
Color: deep purple
Purity: slight inclusions
Treatments: none
Origin: Uruguay