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Which two rocks are composed-primarily of quartz feldspar and clay minerals?
rock salt and conglomerate
How long does it take for clay to harden?
by not leaving the substance in a moist environment and by putting it into a stove and leaving it their for about 2-3 days on a very high temperature.
What is moh hardness of bentonite clay?
The Mohs hardness of bentonite clay typically ranges from 1 to 2.5. This means it is a relatively soft material that can be easily scratched with a fingernail or copper coin.
What is the scale of hardness for rocks?
Mohs scale.
A scale used to measure the hardness of rocks?
The Mohs scale is used to determine the relative hardness of minerals.
How hard are instrusive rocks on the mohs hardness scale?
The highest level on the Mohs hardness scale is a level ten. Diamonds are at a level ten and are also intrusive rocks. However Intrusive rocks can be at almost any level of hardness based on the minerals the rock contains.
What is the rocks hardness called?
The hardness of a rock is called its "Mohs scale hardness." This scale ranks minerals and rocks based on their scratch resistance, with diamond being the hardest at 10 and talc being the softest at 1.
How rocks differ in shapehardnesstexture and color?
how do rocks differ in shape hardness color texture
What properties do all rocks have?
Rocks have color, grain, specific density, and relative hardness.
What is the hardness of orthoclase?
Orthoclase has a hardness of 6 on the Mohs scale of mineral hardness. It is a common mineral found in granite and other igneous rocks.
What is A way to test a rocks hardness?
can it be scratched easy
Do rocks have a hardness of at least 7 on the Mohs scale?
no
