1) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone 5) Gemstone mineral 6) Jewel mineral 7) Jewel 8) Magnesium mineral 9) Mineral gemstone 10) Mineral jewel 11) Monoclinic mineral 12) Polished jewel 13) Polished mineral 14) Precious gem 15) Precious jewel 16) Prized stone 17) Precious gemstone
Found on
https://www.crosswordclues.com/clue/richterite
Richterite is a sodium calcium magnesium silicate mineral belonging to the amphibole group. If iron replaces the magnesium within the structure of the mineral, it is called ferrorichterite; if fluorine replaces the hydroxyl, it is called fluororichterite. Richterite crystals are long and prismatic, or prismatic to fibrous aggregates, or rock-bound...
Found on
http://en.wikipedia.org/wiki/Richterite
amphibole mineral, a sodium silicate of calcium and magnesium or manganese. It occurs in thermally metamorphosed limestones and skarns or as a ... [1 related articles]
Found on
http://www.britannica.com/eb/a-z/r/47
No exact match found.
