
It is the more or less intense yellow 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 6.40 Kt
Size 13.60x11.00x7.36 mm
Cut: mixed with oval shape
Yellow color
Purity: pure
Treatments: thermal
Origin: Brazil