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Gemstones are a mineral.
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∙ 14y ago
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How is a rock a gemstone?
A rock is a natural occurring aggregate of mineral/mineraloids. A gemstone is a piece of mineral. Basically what that means is that a rock is a collection of minerals. A gemstone is a piece of a mineral. Gemstone's are rocks. But a rock has many gemstones. Since gemstones are really precious, they are hard to find.. diamonds may be carbon but they have to be down in the ground for billions of years or so pressed on hard with a lot heat to become diamonds.
What igneous rock has crystals that are not visible?
Extrusive igneous rock consists of mineral crystals that are not observable with the naked eye. Obsidian is an extrusive igneous rock (volcanic glass) where there technically are no mineral crystals.
What is Type of mineral that is rare and beautiful?
Gem or Gemstones.
What are some natural gemstones?
Natural gemstones start life as a rock or mineral which is then cut and polished to discover the beautiful coloured 'gem' inside. These natural gemstones are then usually made into jewellery. The more common gemstones are Diamonds (white), Rubies (red), Sapphires (blue) and Emeralds (green) but there are lots of other including Hematite, Obsidian, Tiger-eye, Quartz and Amethyst.
What is a gemstone can all mineral be gemstones?
no becase there others name
Must all rocks form crystals?
All rock does not contain mineral crystals. Obsidian, or volcanic glass, in particular is a rock that has cooled so quickly from lava that mineral crystals were not able to form.
Are gems made from crystals?
Gemstones are made from mineral crystals, yes.
What are uses of a mineral resources?
Gemstones Metals Other useful minerals
What mineral is red yellow or green used as gemstones or abrasives?
Garnet
Is gemstone a mineral?
Gemstones are minerals but not all minerals are gemstones, as some minerals are very common and have little aesthetic or monetary value.
Is quartz a mineral or a rock mineral rock Submit?
mineral
What is the difference between gemstone and rock?
Gemstones is a precious non-metallic that's formed under a high temperature. Most coloured gemstones are formed by the impurities of certain element in the material. Quartz when it contains Iron formr Amethyst (a purple quartz). Examples of gemstones ruby, jacinth, jasper, emerald, topaz, sapphire, amethyst etc. A rock is a cohesive aggregate of one or more mineral that is formed under a certain condition.
