1) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone 5) Gemstone mineral 6) Iron mineral 7) Jewel 8) Jewel mineral 9) Mineral gemstone 10) Mineral jewel 11) Polished jewel 12) Polished mineral 13) Precious gemstone 14) Prized mineral 15) Prized stone 16) Precious stone 17) Precious gem
Found on
https://www.crosswordclues.com/clue/astrophyllite
Astrophyllite is a very rare, brown to golden-yellow hydrous potassium iron titanium silicate mineral. Belonging to the astrophyllite group, astrophyllite may be classed either as an inosilicate, phyllosilicate, or an intermediate between the two. It forms an isomorphous series with kupletskite, to which it is visually identical and often intimate...
Found on
http://en.wikipedia.org/wiki/Astrophyllite
Astrophyllite is a complex mineral with a monoclinic crystalline structure, containing up to five different metals, and formed in cavities and fissures in syenite and other igneous rocks. The crystals of astrophyllite are often shiny and appear in thin sheets with pointed ends resembling foliage. Chemically,
Found on
http://www.probertencyclopaedia.com/browse/HA.HTM
No exact match found.
