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What mineral can scratch talc but is not scratched by calcite?
Diamond can scratch talc but is not scratched by calcite. Diamond is the hardest mineral on the Mohs scale, making it capable of scratching minerals with a lower hardness, like talc.
Why is the color of calcite listed colorless?
Calcite is typically listed as colorless because it is a transparent to translucent mineral, meaning it does not have a distinct color of its own. The color of calcite can vary depending on impurities present in the crystal structure, which can give rise to different colors like white, gray, yellow, pink, green, and blue.
What is my birthstone 17 April 2000?
Well it's a nice looking Diamond. But from faraway it looked like a white and black birthstone. So the actual color is White Diamond.
A crystal scratches glass does that mean it is a diamond?
Not necessarily. While diamonds are the hardest known natural material and can scratch glass, there are other crystals like corundum (sapphires and rubies) and silicon carbide (moissanite) that can also scratch glass but are not diamonds. Additional tests are needed to confirm if a crystal is indeed a diamond.
What is the most Most valuable crystal in the world?
It depends on the type of crystal and if there are a lot of crystals in the area. If there are a lot, they will be cheaper. It also depends on the size, the bigger it is, the more valuable it is.
What is calcite worth?
A calcite is worth around $20-$200 depending on the type of crystal. The calcite is found usually in rocks like limestone and it takes some years to form.
What mineral can scratch talc but is not scratched by calcite?
Diamond can scratch talc but is not scratched by calcite. Diamond is the hardest mineral on the Mohs scale, making it capable of scratching minerals with a lower hardness, like talc.
Is quartz diamond crystal the same as diamond settings in wedding rings?
No, quartz diamond crystal and diamond settings in wedding rings are not the same. Quartz diamond crystal refers to a naturally occurring quartz crystal with diamond-like inclusions, while diamond settings in wedding rings are the metal prongs or setting that hold a genuine diamond in place. The two are different in composition and purpose.
Why is a crystal of pure calcium carbonate made in a lab not a sample of the mineral calcite?
A crystal of pure calcium carbonate made in a lab is not a sample of the mineral calcite because calcite is a specific naturally occurring crystalline form of calcium carbonate with a distinct crystal structure and composition. Lab-made crystals may have different characteristics due to the manufacturing process and conditions, making them distinct from natural minerals like calcite.
Would calcite be used as a gemstone?
No, because calcite can be scratched off as easily as a copper penny. Would you like to have a diamond that breaks every time you do something active.
How much is crystal?
yes because crystal is like dim and and diamond is worth a lot
Double refraction is a property of some crystals of?
Double refraction is a property of some crystals of mineral substances like calcite. It occurs when a light ray splits into two rays as it passes through the crystal, each following a different path due to the crystal's anisotropic structure. This phenomenon results in the formation of a double image when viewed through the crystal.
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.
Why are metallic crystals opaque while crystals like diamond are not?
Metallic crystals absorb light in the visible spectra, diamond crystal do not.
Why is the color of calcite listed colorless?
Calcite is typically listed as colorless because it is a transparent to translucent mineral, meaning it does not have a distinct color of its own. The color of calcite can vary depending on impurities present in the crystal structure, which can give rise to different colors like white, gray, yellow, pink, green, and blue.
How are desert roses formed?
A desert rose forms when gypsum, calcite, or silica crystals form in loose desert sand. The crystal incorporates the sand grains within its crystal latice and therefore the desert rose looks like it is made of sand yet it retains a crystal structure.
What kind of mineral in calcite?
Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3).
