Moh’s Hardness Number
What is the Moh’s hardness number of Topaz?
Before Click on the Check Answer button, You should read the below Explanation to understand the Concept
ANSWER= [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 |
Join Us for more Effective Study and share with friends and help them to grow
