1) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone mineral 5) Gemstone 6) Jewel mineral 7) Jewel 8) Mineral jewel 9) Mineral gemstone 10) Potassium mineral 11) Polished jewel 12) Polished mineral 13) Precious jewel 14) Prized stone 15) Precious gem 16) Prized mineral 17) Precious gemstone
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https://www.crosswordclues.com/clue/apophyllite
The name apophyllite refers to a specific group of phyllosilicates, a class of minerals. Originally, the group name referred to a specific mineral, but was redefined in 1978 to stand for a class of minerals of similar chemical makeup that comprise a solid solution series, and includes the members apophyllite-(KF), apophyllite-(KOH), and apophyllit...
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http://en.wikipedia.org/wiki/Apophyllite
• (n.) A mineral relating to the zeolites, usually occurring in square prisms or octahedrons with pearly luster on the cleavage surface. It is a hydrous silicate of calcium and potassium.
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http://thinkexist.com/dictionary/meaning/apophyllite/
potassium-calcium fluoride-silicate mineral that is related structurally to the zeolite family of aluminosilicates. Like the zeolites, it has a high ...
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http://www.britannica.com/eb/a-z/a/89
A·poph'yl·lite noun [ Prefix
apo- + Greek ... leaf; so called from its foliated structure or easy cleavage.]
(Min.) A mineral relating to the zeolites, usually occurring in square prisms or octahedrons with pearly luster on the cleavage surface. It is a hydrous silicate of calcium and pota...
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http://www.encyclo.co.uk/webster/A/104
Apophyllite (so called from its foliated structure or easy cleavage), also called fish-eye stone is a hydrothermal mineral filling cavities in basalt and tufaceous rocks. It is associated with stilbite, scolecite, calcite, prehnite, analcime. It has the formulae KCa4Si8O2O(OH)ù8H2O and a relative hardness of 5.
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http://www.probertencyclopaedia.com/browse/HA.HTM
a hydrous potassium and calcium silicate mineral occurring in white crystals.
Found on
https://www.infoplease.com/dictionary/apophyllite
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