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Q: What hardness number is a ruby?
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What is the hardness of 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


Hardness of a ruby?

9


What is the hardness of a ruby on the Moh's hardness scale?

Ruby is another name for corundum, which is 9 on the Moh's scale.


What is Ruby's Hardness?

i think it is 9.0


What can scratch a ruby?

Ruby has a hardness of 9 on Mohs scale of hardness . So any gemstone with hardness more than 9 would scratch a ruby and that includes, diamond, synthetic moizzanite and synthetic diamond.


What is the hardness of a ruby on Mohs hardness scale?

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 is ruby bridges best qualitys?

Rubies are hard...on the hardness scale they are next to diamonds with a hardness of 9.0...A ruby laser is a solid state laser that uses a synthetic ruby crystal as its medium. Ruby lasers produce pulses of visible light and deep red color....They are used in a number of applications where you need short pulses of red light...for making holographs...and tattoo removal


What is the hardness of the ruby?

Rubies are corundum, which is the standard for 9 on the Mohs scale.


How do you convert a hardness number into tensile strength?

Hardness number=f(tensile strenght)


What is the unit for brinell hardness number?

The unit of Brinell Hardness Number is same as that for stress.


What number is peridot hardness?

hardness of peridot 7.0 mohs.


Quartz has a hardness of what number?

* 7 The hardness of Quartz is 7 according to the Mohs hardness scale.


How would you determine whether a ruby or an emerald is harder?

do that by using the Moh's Hardness Scale!


Two varieties of this mineral ruby and sapphire are common gemstones with a hardness of 9?

Is this a quiz? lolCorundum


How hard is a ruby on the Mohs 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.


The pH number is an indicator for?

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.


What is degree of hardness in water?

The degree of hardness is defined as the number of parts by weight of calcium carbonate hardness per particular number of parts of water, depending upon the unit employed.


What do the numbers represent on mohs hardness scale?

The number on a mohs hardness scale is mineral to the nearest half number. This is known as a graph.


What is the hardness of graphite on Mohs scale?

Graphite has a Mohs hardness number of between 1 and 2.


What number is zinc on Mohs hardness scale?

Zinc (Zn) on Mohs hardness scale: 2,5


What is the gypsums hardness?

on number scale 2


Number 4 on the scale of hardness?

fluorite


What scale is used to rate mineral hardness?

The Mohs Scale of Hardness determines the hardness of minerals by scratching them with commonly found objects. The minerals are assigned a number which corresponds to their hardness; higher numbers indicate higher hardness.