B grade quartz: Quartz lumps with one or more sides contaminated with iron oxidation marks, clay, etc.
A grade quartz: Quartz lumps with clean white / translucent sides and negligible physical impurities, with a silica percentage of around 98% or higher. Quartz Date Silica % Ferrous oxide % Lab 2019.12.19 98.99% 0.0382% JDB1 2019.12.19 99.13% 0.1061% JDB1
Snow-White Quartz Lumps from our own Quarry
Quartz Quartz is a mineral that?s easily available from the crust of earth. And yet, it?s quite valuable for its vast usage. Chemical Term SiO2 (Silica, or silicon dioxide).Found in igneous, metamorphic and sedimentary rocks. Usage Quartz is mostly required in the production of Engineering Quartz stones, Silicate Glasses and Ceramics.