Origen of the stone is from Sri Lanka and manufactured and cut in India. it has 9-10 mohs in hardness scale and gravity of 3.89 – 3.90.
40.55 CT Natural Rutilated Quartz Inside Black Rutil Cabochon Fine AAA+ Gemstone
COLOR: Inside Black Rutil. SHAPE: Cabochon. Species: Quartz. WEIGHT: 40.55 CT.