0
spinel,rutile,rubelite,rubasse,rose quartz,jacinth,red zircon,garnet,cornelian,beryl,almandine
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
What is corundum?
Corundum is a hard mineral, a form of aluminium oxide which occurs in sapphires and rubies.
What is a synonym for corundum?
complex
Is emerald a metal rock or crystal?
The element that gives emeralds their beautiful green color is the same element that turns corundum into red rubies. Red Rubies and emeralds are like twins but not the same color. ITS A CRYSTAL
Could corundum scratch topaz?
Yes. Corundum will scratch topaz and every other mineral with a hardness of 9 or lower on the Mohs hardness scale.
What is the chemical structure of sapphire?
Sapphire is a type of Corundum. Corundum is a lattice of Aluminium Oxide, Al2O3 It is impurities within the lattice that give corundum a different colour, upon which it is known under different names. Trace amounts of Iron and Titanium within the corundum give the traditional blue colour, but are not part of the chemical structure as such, imagine them to be like marbles embedded in concrete, at a molecular level.
What they call a red colored corundum?
A ruby.
What do you call a red corundum?
Red corundum is called ruby.
What do they call red corundum?
Red corundum is called ruby.
What is Corundum's physical characteristics?
its characteristics are hard and colorful when its red they call it ruby!
What are the varieties of Corundum?
Corundum comes in just about every color of the rainbow. Every color but red is considered sapphire. Red corundum is the mineral that forms rubies.
What is a red sapphire?
There is no such thing. Sapphire is a variety of the mineral corundum. Red gem-quality corundum is called ruby.
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 percentage of rubies is corundum?
100% of rubies are corundum. "Ruby" is a name made up by the gem trade for the mineral known as corundum, when it is red.
What is a gem in the corundum family?
A gem in the corundum family is a type of gemstone that belongs to the mineral species corundum. Examples of gemstones in the corundum family include rubies, which are red corundum, and sapphires, which come in various colors except red. These gemstones are prized for their hardness (second only to diamonds) and beautiful colors.
Are there green rubies?
No. Rubies are specifically a red variant of corundum. Any gem-quality corundum that is no red is considered a sapphire. Green sapphires do exist.
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.
Can rubies be blue?
No. Ruby is a red gem-quality variant of corundum. Gem-quality corundum that is blue or any color other than red is called a sapphire.
