1. Quartz
And, finally the first among the easiest gemstones to find in rocks and creeks is one of the most commonly found minerals – quartz. Quartz is a very common mineral in many rocks – igneous, metamorphic and sedimentary rocks since it is very durable and resistant to atmospheric conditions. That is why quartz occurs in many shapes and colors and it is used for many purposes. Quartz crystals used as gemstones are amethyst, citrine, aventurine, and other varieties of splendid color and those can be nicely polished and worked into jewelry pieces.
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