As old as chalcedony, created with the earth.
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The mineral cassiterite is an ore of tin.
The oldest mineral is somewhat controversial as the dating error of such old objects is millions of years; the oldest so far dated a zircon which is 4,404 million years ± 8 million years which is in a metamorphic gneiss in the Jack Hills of the Narryer Gneiss Terrane of Western Australia.
Air, water, and impurities can change the color of a mineral.
can color be a denitive factor in determinig a mineral
A specific gravity of 4.0 for a mineral means that a given volume of the mineral has 4.0 times the mass of the same volume of water.