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Two varieties of this mineral ruby and sapphire are common gemstones with a hardness of 9?
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∙ 14y ago
Is this a quiz? lol
Corundum
Wiki User
∙ 14y ago
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What mineral has the greatest hardness?
The mineral with the greatest hardness is the diamond.
What do scientists use to determine mineral hardness?
The Mohs scale of mineral hardness is generally used to determine the hardness of a mineral. The Mohs scale rates the ability of mineral to scratch or be scratched by another mineral.
Which mineral has a hardness of 2?
Gypsum is the mineral listed at 2 on the Mohs hardness scale.
What does the property of mineral hardness measure?
Hardness measures a mineral's resistance to being scratched.
What mineral can scratch a diamond?
diamond's hardness is a factor of 10. So this is the highest hardness, no mineral has this hardness! You can't scratch a diamond.
How strong is sapphire?
9 on the Mohs Scale of Mineral Hardness
Is a topaz a mineral?
Yes. With the exceptions of coral and pearl, all gemstones are minerals.
What gem mineral is an oxide of aluminum?
Ruby and sapphire are both gem varieties of the mineral corundum, an aluminum oxide.
Are gemstones a rock or mineral or glass?
Gemstones are a mineral.
What will if you rub a mineral with the hardness of 3 with a mineral with a hardness of 9?
The mineral with hardness 3 will get scratched.
What are the most expensive gemstones in order from highest to lowest?
Gemstones can vary in hardness based on their mineral composition. The hardness of a gemstone is measured using the Mohs scale of mineral hardness, which ranks minerals from 1 (softest) to 10 (hardest). Here is a list of some commonly known gemstones, arranged from hardest to least hard based on their Mohs scale rating: Diamond (10) Corundum (ruby and sapphire) (9) Topaz (8) Quartz (amethyst, citrine, etc.) (7) Feldspar (moonstone, labradorite) (6) Apatite (5) Fluorite (4) Calcite (3) Gypsum (2) Talc (1) Please note that this is not an exhaustive list, and there are many more gemstones with varying hardness levels. You can Visit Cabochonsforsale to get more info in details.
What is a list gemstone colors?
Gemstones are classified into different groups, species, and varieties. For example, ruby is the red variety of the species corundum, while any other color of corundum is considered sapphire. Emerald (green), aquamarine (blue), bixbite (red), goshenite (colorless), heliodor (yellow), and morganite (pink) are all varieties of the mineral species beryl.
What mineral of hardness of 7?
the mineral that has a hardness of 7 is "Quarts
What is the density of a sapphire?
The Mohs scale is used to measure the hardness of a mineral by its resistance to scratching. From softest to hardest, for example, the ten minerals of the Mohs scale are talc (measuring 1 on the scale), gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum, and diamond (measuring 10 on the scale). A sapphire is a 9.0.
What mineral has the greatest hardness?
The mineral with the greatest hardness is the diamond.
What is hardness of quartz mineral?
the mineral that has a hardness of 7 is "Quarts
What is the hardness of the ruby?
Ruby, a variety of the mineral corundum, has a hardness of 9 on the Mohs scale of mineral hardness.
