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Calcite has a uniaxial indicatrix with a ellipsoid shape. The two permitted vibration directions (transmitting the ordinary and extraordinary rays), cause twinkling to be observed on rotation.
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∙ 15y ago
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Is calcite magnetic?
No, calcite is not magnetic.
Is calcite metallic or nonmetallic?
Calcite is a compound and therefore cannot be classified as a metal or nonmetal.
Does calcite have salt in it?
Calcite is a salt - calcium carbonate (CaCO3).
Which mineral had 4 directions of cleavage?
I think Calcite. Calcite is 3 on the hardness scale and sometimes you can break it into cubes. The difference between Calcite and Quartz is that Calcite is a milky white.
What is a chemical formula of calcite?
calcite is calcium carbonate that means CaCO3 calcite is calcium carbonate that means CaCO3
What is the lustre of calcite?
calcite has vitreous lusture.vitreous lusture is similar to reflection shown by broken glass which is twinkling
What is twinkling effect?
The star sometimes appears brighter,and at some other time, fainter, which is the twinkling effect.
What effect causes twinkling of stars?
refraction
Does calcite show a double image?
Only optical Calcite. It has a different chemical structure than most common Calcite.
What effect does acid rain have on limestone buildings?
when the sulfurous, sulfuric, or nitric acids in polluted air react with the calcite in marble and limestone, the calcite dissolves.
What is the past continuous tense of twinkling?
Was/Were twinkling.
In the word twinkling lights which word has the short I sound?
The word "twinkling" has the short I sound.
Is twinkling of stars caused by reflaction?
twinkling of stars is caused by refraction
How many syllables in twinkling?
There are two syllables in the word "twinkling."
How do you stop twinkling Christmas lights from twinkling?
Buy lights that don't twinkle.
Is twinkling a verb?
Yes, the word 'twinkling' is a verb; the present participle, present tense of the verb 'to twinkle'. The present participle of the verb is also an adjective and a gerund, a verbal noun. Examples:Verb: The first star was twinkling at dusk.Adjective: Twinkling lights adorned the trees along the street.Noun: I could tell she was pleased by the twinkling in her eye.
What is the location of a star when it twinkles a lot?
Outerspace ... the twinkling effect happens when observing the star(s) through earth's atmosphere. If you were in space, they would not twinkle.
