1) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone mineral 5) Gemstone 6) Jewel 7) Jewel mineral 8) Magnesium mineral 9) Mineral gemstone 10) Mineral jewel 11) Potassium mineral 12) Polished jewel 13) Polished mineral 14) Precious gem 15) Prized mineral 16) Precious jewel 17) Precious stone
Found on
https://www.crosswordclues.com/clue/polyhalite
Polyhalite is an evaporite mineral, a hydrated sulfate of potassium, calcium and magnesium with formula: K2Ca2Mg(SO4)4·2H2O. Polyhalite crystallizes in the triclinic system although crystals are very rare. The normal habit is massive to fibrous. It is typically colorless, white to gray, although it may be brick red due to iron oxide inclusions. I...
Found on
http://en.wikipedia.org/wiki/Polyhalite
• (n.) A mineral usually occurring in fibrous masses, of a brick-red color, being tinged with iron, and consisting chiefly of the sulphates of lime, magnesia, and soda.
Found on
http://thinkexist.com/dictionary/meaning/polyhalite/
a sulfate mineral in evaporite deposits [K2Ca2Mg(SO4)42H2O] that often occurs with anhydrite and halite. Its name, from the Greek words meaning `many ...
Found on
http://www.britannica.com/eb/a-z/p/90
Pol`y·ha'lite noun [
Poly- + Greek ... salt.]
(Min.) A mineral usually occurring in fibrous masses, of a brick-red color, being tinged with iron, and consisting chiefly of the sulphates of lime, magnesia, and soda.
Found on
http://www.encyclo.co.uk/webster/P/122
Polyhalite has the formulae KaCa2Mg(SO4)4ù2H2O and a relative hardness of 4. It is a source of potassium and occurs in bedded deposits associated with sylvite, carnallite, halite, and has a characteristic red colour.
Found on
http://www.probertencyclopaedia.com/browse/HP.HTM
Potassium calcium magnesium sulfate
Found on
http://www.translationdirectory.com/glossaries/glossary075.htm
No exact match found.
