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What is the hardness of a ruby on the Moh's hardness scale?
A ruby is a mineral corundum. The Mohs hardness scale lists the following from softer to harder: Talc - 1 Gypsum - 2 Calcite - 3 Fluorite - 4 Apatite - 5 Feldspar - 6 Quartz - 7 Topaz - 8 Corundum (which includes the ruby) - 9 Diamond - 10 Ruby has a Mohs hardness of 9.
What is silicons hardness?
The hardness is about 6.5 or 7.
What are important uses of the mineral topaz?
Topaz is yellow or brown gem stone. It is used in jewelery.
Mohs' scale helps scientists to identify the of a mineral?
B. Hardness
Can quartz be scratched by a penny?
No. According to Mohs Hardness Scale, Quartz has a hardness of 7 while copper has a hardness of about 3. The higher number indicates a greater hardness.
Will the mineral topaz scratch quartz or will quartz scratch topaz Why?
topaz has a hardness of 8 on the mohs hardness scale, quartz has a hardness of 7. topaz will be able to scratch quartz, but quartz can never scratch topaz.
Could corundum scratch topaz?
Yes. Corundum will scratch topaz and every other mineral with a hardness of 9 or lower on the Mohs hardness scale.
Can corundum scratch topaz?
Yes. Corundum will scratch topaz and every other mineral with a hardness of 9 or lower on the Mohs hardness scale.
Are white topaz and diamonds the same thing?
No they are quite different Diamond - is a crystallized form of carbon Hardness 10 Topaz is a silicate mineral of aluminum and fluorine Hardness 8
On Moh's hardness scale is talc harder then topaz?
No......Topaz is an 8 and Talc is a 1....talc is the softest on the scale
5 why is Gypsum is a 2 on Mohs hardness scale while topaz is an 8 Can gypsum scratch topaz?
No, gypsum cannot scratch topaz. Minerals with a higher number on the Moh's Hardness Scale can scratch minerals that are lower-numbered, but lower numbers can't scratch higher numbers. A mineral would have to have a number higher than an 8 on the Moh's hardness scale in order to scratch topaz.
Why are garnet opal and topaz considered to be gemstones?
due to more hardness
What kind of mineral can scratch quartz but not diamond?
According to the Mohs scale of hardness, Diamond has a hardness of 10 and Quartz has a hardness of 7. Any mineral with a hardness greater than 7 can scratch quartz and diamond can scratch any mineral with a hardness less than 10. Corundum (hardness of 9) and Topaz (hardness of 8) are two examples of minerals that can scratch quartz but not diamond.
What property is shared diamonds and rubies and sapphires and emeralds and topaz?
extreme hardness
Does gypsum scratch flourite?
No. Gypsum has a hardness on the Mohs scale of 2. Topaz has a hardness on the Mohs scale of 8. This means that topaz ranks much harder than gypsum and that gypsum cannot scratch topaz. Please do not refer to these numbers as absolute hardness. This does not mean that topaz is 4 times as hard as gypsum since they are ranked 8 and 2. The Mohs scale only designates a hardness scale of 1 through 10 so that geologists and mineralogists in the field have a quick way of determining a mineral's identity or eliminating possible options of what the mineral may be.
Is a topaz a mineral?
Yes. With the exceptions of coral and pearl, all gemstones are minerals.
What is aquamarine's hardness on the mohs scale?
Topaz comes next, then corundum, then diamond is hardest with a hardness of 10
