1) Beautiful stone 2) Calcium mineral 3) Carbonate mineral 4) Concrete 5) Cut mineral 6) Decorative stone 7) Gemstone mineral 8) Gemstone 9) Hexagonal mineral 10) Jewel mineral 11) Jewel 12) Mineral gemstone 13) Mineral jewel 14) Polished mineral 15) Polished jewel 16) Prized stone 17) Precious stone
Found on
https://www.crosswordclues.com/clue/thaumasite
Thaumasite is a silicate mineral with chemical formula Ca3Si(OH)6(CO3)(SO4)·12H2O. It occurs as colorless to white prismatic hexagonal crystals, typically as acicular radiating groups. It also occurs as fibrous masses. Its Mohs hardness is 3.5 and it has a specific gravity of 1.88 to 1.90. Optically it is uniaxial negative with indices of refract...
Found on
http://en.wikipedia.org/wiki/Thaumasite
No exact match found.
