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Ruby is aluminium oxide; chromium is only a natural dopant, in traces. The concentration of chromium is not constant in rubies.

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Ruby a mineral or a rock?

Ruby is a mineral and a variety of the mineral corundum. It is a gemstone known for its red hue, which comes from traces of chromium in its crystal structure. Rocks are made up of one or more minerals, so ruby itself is not considered a rock.


What is ruby made of?

Rubies are a variety of corundum, the mineral name for aluminum oxide, Al2O3. The red color comes from trace amounts of chromium.


Which is an element - ruby sapphire emerald diamond?

The two main elements present in a red ruby--aluminium and oxygen. This is actually the exact same main elements found in a sapphire, which has the same chemical composition but simply differs in colour which is caused by traces of a different elements (iron, titanium) which causes it to be blue versus a rubies red colour. The red colour of the ruby is due to traces of chromium in the aluminum oxide. Corundum (the aluminum oxide base of these gems) can be turned blue, yellow, pink, purple, orange, greenish or pink-orange by the impurities.


What is the colour of aluminium oxide?

Aluminium oxide, in its pure form, is typically a white or colorless crystalline solid. However, it can appear in various colors depending on impurities or the presence of different crystal structures. For example, when aluminum oxide is used as a gemstone, such as sapphire or ruby, it can exhibit a range of colors due to trace elements.


What causes the red colour of a ruby A chromium B zinc C bauxite D titanium?

A. Chromium is the main reason ruby's are red.

Related Questions

What is the chemical formula and corresponding composition of ruby?

Ruby is aluminium oxide (Al2O3) with chromium as an impurity.


Is ruby a mineral?

The ruby is a variety of the mineral corundum, so the ruby is indeed a mineral.


What is the compound found in Ruby?

Aluminium Oxygen and Chromium


What kind of chemicals are in the ruby?

A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide - Al2O3). The red color is caused mainly by the presence of the element chromium.


What chemical element make up ruby red?

Ruby is not a chemical compound and so does not have a precise chemical structure. It consists mainly of Aluminium Oxide Al2O3, and also contains chromium which gives ruby its characteristic red or reddish brown tint.


The pricious gem ruby is mainly aluminium trioxide with trace amount of?

The precious gem ruby is primarily composed of aluminum oxide (Al2O3) with trace amounts of chromium. This combination is responsible for the vibrant red color of rubies.


What is the chemical symbol of the ruby?

Ruby is a form of the mineral corundum, which has the formula Al2O3.


What is the chemical composition to a ruby?

The chemical composition of ruby is aluminum oxide (Al 2 O3). Its specific gravity is 3.99 to 4.00 and refractive index range is 1.760-1.768 to 1.770-1.779. Ruby's hardness on Mohs scale is 9. It's the next hardest mineral after diamond.


Are there any other names for the ruby?

no there is no other names for ruby in English. ruby is a mineral made up of aluminum oxide with chromium.


Ruby a mineral or a rock?

Ruby is a mineral and a variety of the mineral corundum. It is a gemstone known for its red hue, which comes from traces of chromium in its crystal structure. Rocks are made up of one or more minerals, so ruby itself is not considered a rock.


What are the elements in a ruby?

Well the elements in a rubie are called rubix resembling a rubix cube in detail. Unfortanatly the element rubix is not a confusing puzzle but a small red pure element. number 431$% on the element chart. :) hope u found what u need!


What is ruby made of?

Rubies are a variety of corundum, the mineral name for aluminum oxide, Al2O3. The red color comes from trace amounts of chromium.