Q&A

Which mineral is very soft and flakes easily?

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Which mineral is very soft and flakes easily?

Talc forms mica-like flakes. Talc is the softest mineral on the Mohs hardness scale at 1 and can be easily cut and crushed.

What mineral has flat soft sheets?

Mica
Mica is a mineral that will cleave into flat sheets. It creates flat sheets because it only cleaves in one direction indicating weak bonding along…

What mineral breaks flat surfaces?

Calcite has cleavage. It breaks along flat surfaces because the bonds between its atoms are less strong in some directions than in others.

What mineral is brittle?

Quartz, feldspar, calcite and dolomite are generally considered as brittle minerals.

What is Diamond mineral?

diamond, a mineral composed of pure carbon. It is the hardest naturally occurring substance known; it is also the most popular gemstone. Because of their extreme hardness, diamonds have a number of important industrial applications.

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Is fluorite a mineral?

fluorite, also called fluorspar, common halide mineral, calcium fluoride (CaF2), which is the principal fluorine mineral. It is usually quite pure, but as much as 20 percent yttrium or cerium may replace calcium.

Is hematite metallic or nonmetallic?

MINERAL NAME LUSTER (appearance) HARDNESS
Hematite Metallic or non-metallic luster Hard to tell, but harder
Hornblende Non-metallic (black) Harder than glass
Biotite Non-metallic (black) Slightly harder than glass
Olivine Non-metallic (green) Slightly harder than glass

What property of mineral that form smooth and flat surfaces?

cleavage
The tendency of a mineral to break along smooth flat surfaces is called cleavage. Cleavage is one of the properties of a mineral.

Is Quartz a fracture or cleavage?

Quartz has no mineral cleavage and fractures the same irregular way glass breaks.

What mineral can be hammered or flattened?

Malleable
Malleable – If a mineral can be flattened by pounding with a hammer, it is malleable. All true metals are malleable. An example is Silver.

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What is tenacity mineral?

Tenacity refers to a mineral’s resistance to breaking, bending, or otherwise being deformed. Tenacity is particularly useful in telling some of the metallic minerals apart. Gold is malleable, pyrite (and most other look-a-likes) is not.

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