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A ruby is a form of the 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 else can I help you with?
What is the hardness of diatomite on the mohs scale of hardness?
Diatomite has a hardness of around 5.5 on the Mohs scale of hardness.
What is the name of the mineral hardness scale?
It's called the Ore
What is the hardness of azurite on the MOHS hardness scale?
Azurite has a hardness of 3.5 to 4 on the Mohs hardness scale.
What is the hardness of Flint according to the mohs scale of hardness?
flint is a type of quartz, so it has a hardness of about 7 on the mohs scale of hardness
What is the hardness of dolomite on the MOHS hardness scale?
Dolomite has a hardness of 3.5-4 on the Mohs scale of hardness.
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.
What is the hardness of a Ruby?
9.0 Mohs Hardness scale
How would you determine whether a ruby or an emerald is harder?
You can determine whether a ruby or an emerald is harder by using the Mohs scale of mineral hardness. Rubies have a hardness of 9 on the Mohs scale, making them harder than emeralds which have a hardness of 7.5 to 8.
What is the hardness of diatomite on the mohs scale of hardness?
Diatomite has a hardness of around 5.5 on the Mohs scale of hardness.
What is the name of the mineral hardness scale?
It's called the Ore
What is the hardness of Limonite on the mohs hardness scale?
The hardness of Limonite is 4 t0 5.5 on the mohs hardness scale.
What is the hardness of azurite on the MOHS hardness scale?
Azurite has a hardness of 3.5 to 4 on the Mohs hardness scale.
What is the hardness of Flint according to the mohs scale of hardness?
flint is a type of quartz, so it has a hardness of about 7 on the mohs scale of hardness
What is nickel hardness on MOHs scale?
Nickel has a hardness of 4 on the Mohs scale.
What is the mohs hardness of scale of limestone?
The hardness is 3-4 on Mohs scale.
What is the hardness of dolomite on the MOHS hardness scale?
Dolomite has a hardness of 3.5-4 on the Mohs scale of hardness.
A scale used to measure the hardness of rocks?
The Mohs scale is used to determine the relative hardness of minerals.
