What is The Moh’s Hardness Number of Topaz?

What is the Moh’s hardness number of Topaz? [A] 12 [B] 10 [C] 8 [D] 2 Show Correct Answer

Moh’s Hardness Number

What is the Moh’s hardness number of Topaz?





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ANSWER= [C] 8

Correct answer for question What is the Moh’s hardness number of Topaz is [C] 8

Explanation for Moh’s Hardness Number

Mohs scale is used to find the hardness of materials. 

Hardness is probably the most impotent property for the rapid determination of minerals.

Minerals

Hardness

 

Tale

1

Rope's Gold Mine, Michigan (green) 4 cm. across talc mass

Gypsum

2

Wyoming 12 cm. Note "fishtail" twin on left

Calcite

3

Elmwood Mine, Tennessee 8 cm. (twinned)

Fluorite

4

Elmwood mine, Tennessee 2.5 cm. (note phantom)

Apatite

5

Durango, Mexico. Crystal is 7.5 cm. tall. Seaman museum specimen.

Orthoclase

6

Orthoclase (white) on quartz, Baveno, Italy Orthoclase crystal is 3 cm tall. Seaman museum specimen.

Feldspur

 

Quartz

7

Variety amethyst, Guerro, Mexico 16 cm.

Topaz

8

Mursinsk, Russia, 5cm across Seaman Museum specimen

Corundum

9

Variety ruby, India 6 cm.

Diamand

10

Zaire 1 cm. 14 carats

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