Not a diamond.I know that
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Diamond, ruby, emerald are three.
jadeite
coal is a valuble rock mined in Indiana
If you mean gem as in a great thing, then Youkon's known gem in potatoes. The mineral gem, however, is gold.
A gem is considered any attractive mineral or rock which when cut and polished, may be used for ornamentation. A gem can be either a mineral or a rock, but most gems are minerals. A rock is an aggregate of many minerals, with no specific structure, while a mineral has a much more ordered atomic structure, with specific physical and chemical properties. A gem is not necessarily a crystal; lapis lazuli is not a mineral or a crystal, yet can still be considered a gem due to its desirable color and traits when polished.
cameo is a sculpted gem
A loose gem.
Diamond is Popular & valuble of all gemstones. Ruby is a valuble gem too.
A ruby is a type of valuble gem stone. A taco is a food.
A dolphin.
Gold
Probably a diamond.
Most Valuble Primate
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Currently its dwindling oil reserves.
The most valuble resource was FERTILE SOIL.
Some wedding rings are refundable depending how valuble they are. If very valuble it is not refundable if not valuble not refundable.
Mvp2. Most valuble primate
Lauren Jackson