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Which mineral would a penny scratch?
calcite
What mineral can scratch feldspar but not quartz?
There is no mineral that would satisfy the question. If a mineral is able to scratch feldspar, it would have a Mohs hardness of 6 or above. Fluorite is rated as a 4. It would be impossible for a mineral which scratches feldspar to be unable to scratch fluorite.
Which material would scratch the other quartz or calcite?
Quartz, with a hardness of 7, will scratch calcite, with a hardness of 3.
Which mineral would not have a metallic luster?
A non-metallic mineral such as quartz or calcite.
How can you check if a rock is calcite?
Calcite reacts to acid. The best thing to do to determine if a mineral is calcite is to place a drop of dilute hydrochloric acid on a sample. If the mineral fizzes and carbon dioxide bubbles are produced, the mineral is calcite. Place a drop of dilute hydrochloric acid on the mineral. If it fizzes and carbon dioxide bubbles are produced, the mineral is calcite.
Which mineral would a penny scratch?
calcite
What mineral can scratch feldspar but not quartz?
There is no mineral that would satisfy the question. If a mineral is able to scratch feldspar, it would have a Mohs hardness of 6 or above. Fluorite is rated as a 4. It would be impossible for a mineral which scratches feldspar to be unable to scratch fluorite.
Which material would scratch the other quartz or calcite?
Quartz, with a hardness of 7, will scratch calcite, with a hardness of 3.
Both calcite and quartz can be found as clear crystals what tests can be used to correctly identify them?
Quartz would scratch the calcite. Calcite would not scratch the quartz. Calcite will react with dilute hydrochloric acid. Quartz will not. Calcite will exhibit double refraction. Quartz will not. If the crystal forms are intact, quartz crystal may appear six sided with pyramidal terminations. If they are of equal size, the quartz will be heavier.
Which mineral would not have a metallic luster?
A non-metallic mineral such as quartz or calcite.
How can you check if a rock is calcite?
Calcite reacts to acid. The best thing to do to determine if a mineral is calcite is to place a drop of dilute hydrochloric acid on a sample. If the mineral fizzes and carbon dioxide bubbles are produced, the mineral is calcite. Place a drop of dilute hydrochloric acid on the mineral. If it fizzes and carbon dioxide bubbles are produced, the mineral is calcite.
Which material would you scratch the other quartz or calcite how do you know?
Quartz because its harder than calcite and the quartz in thicker.
What hardness does a mineral have if its scratched by glass?
Somewhere between 3 and 5 on the Mohs scale of relative mineral hardness...
How you would use mineral properties to distinguish quarts from calcite?
the shape and color and quartz is glassy and calcite isn't.
How do you refine the mineral calcite?
Refining the mineral calcite is usually done by machine. Many companies in the refining business would use a machine (like a ball mill) to process it.
Why is a crystal of pure calcium carbonate made in a lab not a sample of the mineral calcite?
Well as a chemist i would say it is. Most mineral samples are slightluy contamnated, whereas synthetic calcite is not.
What is streaking of marble?
Marble, being composed almost entirely of the mineral calcite, would have a white streak. The same colour as calcite's streak.
