Gemstones
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*Iris Agate | *Iris Agate | ||
*Landscape Agate | *Landscape Agate | ||
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====Aventurine==== | ====Aventurine==== | ||
====Black Chalcedony / Black Onyx==== | ====Black Chalcedony / Black Onyx==== | ||
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===Chrysoberyl=== | ===Chrysoberyl=== | ||
====Alexandrite==== | ====Alexandrite==== | ||
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====Cat's Eye==== | ====Cat's Eye==== | ||
===Cordierite=== | ===Cordierite=== | ||
====Iolite==== | ====Iolite==== | ||
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===Diamond=== | ===Diamond=== | ||
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===Feldspar=== | ===Feldspar=== | ||
− | + | Moonstone | |
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===Fluorite === | ===Fluorite === | ||
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====Andratite==== | ====Andratite==== | ||
====Grossularite==== | ====Grossularite==== | ||
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====Pyrope==== | ====Pyrope==== | ||
* Rhodolite | * Rhodolite | ||
====Spessartine==== | ====Spessartine==== | ||
====Uvarovite==== | ====Uvarovite==== | ||
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===Grossularite=== | ===Grossularite=== | ||
− | + | ====Hessonite==== | |
===Hematite=== | ===Hematite=== | ||
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===Labradorite=== | ===Labradorite=== | ||
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===Malachite=== | ===Malachite=== | ||
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Although found in the earth Amber is was produced by living organisms and is not considered a mineral, instead being classified as a mineraloid. | Although found in the earth Amber is was produced by living organisms and is not considered a mineral, instead being classified as a mineraloid. | ||
====Corel==== | ====Corel==== | ||
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====Jet==== | ====Jet==== | ||
Although found in the earth Jet is was produced by living organisms and is not considered a mineral, instead being classified as a mineraloid. | Although found in the earth Jet is was produced by living organisms and is not considered a mineral, instead being classified as a mineraloid. | ||
====Pearl==== | ====Pearl==== | ||
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===Quartz=== | ===Quartz=== | ||
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====Citrine==== | ====Citrine==== | ||
====Rock Crystal==== | ====Rock Crystal==== | ||
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===Rhodochrosite=== | ===Rhodochrosite=== | ||
− | === | + | ===Rocks=== |
− | + | ====Lapis Lazuli==== | |
− | === | + | Lapis lazuli is a mixture of minerals lazurite, calcite and sometimes pyrite and is classified as a rock. In the jewelry industry it is often referred to simply as 'lapis'. |
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===Spodumene=== | ===Spodumene=== | ||
====Hiddenite==== | ====Hiddenite==== | ||
====Kunzite==== | ====Kunzite==== | ||
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==History== | ==History== | ||
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==Treatments== | ==Treatments== | ||
− | Treatments developed to raise | + | Treatments developed to raise apperent value of stones. |
[[Category:Gemology]] | [[Category:Gemology]] |