Topic: Gneiss Hardness
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Answers to Common Questions
What is gneiss's hardness?
The hardness is 6 on the MOHS scale Read More »
Source: http://wiki.answers.com/Q/What_is_gneiss's_hardness
What is the hardness of gneiss?
A rock's hardness is usually measured in compressive fracture strength rather than a Mohs hardness which measures a mineral's relative hardness in comparison to other minerals. ASTM standard tests have rated gneiss at 50-200 MPa (roughly 35... Read More »
Source: http://wiki.answers.com/Q/How_are_gneiss_and_migmatites_related
What is gneiss on mohs scale of hardness?
gneiss is a high-temperature metamorphic rock with a banded or foliated texture Read More »
Source: http://wiki.answers.com/Q/What_is_gneiss_on_mohs_scale_of_hardnes...
More Common Questions
Answers to Other Common Questions
Rocks will have variable hardness readings, but gneiss is considered to have a hardness of roughly 7, the same as quartz.
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Source: http://wiki.answers.com/Q/What_is_the_hardness_of_gneiss_in_Mohs_...
Gneisses tend to be banded on a large scale with l...
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Source: http://www.chacha.com/question/what-is-the-density,-hardness,-lus...
