We have found a new mineral which identify as following
Specific gravity :2.58 -2.64
Hardness : 7.5 - 8.0 Mohs scale
Mineral : mainly Sio2
Color : dark brown, reddish brown to yellow, white,grey, black
some green and blue.
Formation : in lump form, some very big with multicolor,did not find
any geodes, only like stones.
It is translucent,semi, and opaque.
Local classified as Chalcedony but we its hardness does not match its describtion. Would appreciated very much if you can clear the doublt.