
1) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone mineral 5) Gemstone 6) Isinglass 7) Jewel 8) Jewel mineral 9) Lithium mineral 10) Mineral gemstone 11) Mica 12) Mineral jewel 13) Monoclinic mineral 14) Potassium mineral 15) Polished jewel 16) Polished mineral 17) Prized mineral 18) Precious gem
Found on
https://www.crosswordclues.com/clue/zinnwaldite

Zinnwaldite, KLiFeAl(AlSi3)O10(OH,F)2, potassium lithium iron aluminium silicate hydroxide fluoride is a silicate mineral in the mica group. The IMA status is as a series between siderophyllite (KFe2Al(Al2Si2)O10(F,OH)2) and polylithionite (KLi2AlSi4O10(F,OH)2) and not considered a valid mineral species. ==Name and discovery== It was first describ...
Found on
http://en.wikipedia.org/wiki/Zinnwaldite

• (n.) A kind of mica containing lithium, often associated with tin ore.
Found on
http://thinkexist.com/dictionary/meaning/zinnwaldite/
Zinn'wald·ite noun [ So called after
Zinnwald , in Bohemia, where it occurs.]
(Min.) A kind of mica containing lithium, often associated with tin ore.
Found on
http://www.encyclo.co.uk/webster/Z/4

Zinnwaldite, named after Zinnwald, in Bohemia, where it occurs, is a kind of mica containing lithium, often associated with tin ore.
Found on
http://www.probertencyclopaedia.com/browse/HZ.HTM

[
n] - a mica containing iron and lithium
Found on
http://www.webdictionary.co.uk/definition.php?query=zinnwaldite
noun a mica containing iron and lithium
Found on
https://www.encyclo.co.uk/local/20974

a yellow-brown variety of mica containing iron, found with tin ores.
Found on
https://www.infoplease.com/dictionary/zinnwaldite
No exact match found.