mithelen is a gemstone which owes it's colour to chromium.
there are many other gemstones that got their colour from chromium such as : ruby and emerald but these gemstone have other substance to create their colour.
mithelen is the only gemstone which get it's colour from chromium and nothing else. by Einstein
I think it's rubies and emeralds.
Ruby And Emerald
diamonds, and rubies
china
green
Zargûn in old Persian is gold colour; zirconium silicate as gemstone has sometimes this colour.
Probable nickel or chromium oxides.
Diamonds are classified as industrial -- about 80% -- and gemstone quality, the remainder. Gemstone quality diamonds are classified according to cut, clarity, colour and carat weight.
'Emerald diamond' is not a gemstone: it is a confusion of vocabulary. An emerald-cut diamond stone is made from carbon. An emerald is a different gemstone, made from the mineral beryl - (Be3Al2(SiO3)6) --and colored green by trace amounts of chromium and sometimes vanadium.
chrome diopside
It is the scientific piece of matter that is your fat mum
There are many different types of gemstones that owe their color to Chromium. The colors are determined by other chemicals in the stone and the saturation of the stone is generally due to the Chromium content.
Examples: ruby, emerald, diopside, tourmaline.
The ruby is a variety of the mineral corundum, so the ruby is indeed a mineral.
Zargûn in old Persian is gold colour; zirconium silicate as gemstone has sometimes this colour.
The folowing stone gets there color from chromium or its traces. Chrome diopside, Ruby, Grossular Garnet, Hessonite Garnet, Jade,Chrome Tourmaline (Green Tourmaline),Greenish Turquoise Most stone from the Beryl family like: Morganite, Emerald, Chrysoberyl, etc.
blue sapphire :).
Emerald is a green variety of beryl group where coloring element is chromium. A green variety of beryl without chromium, is not an emerald, is known as green beryl.
green
Peridot is pale green in colour.
Emerald is made of the mineral beryl, although it is a gemstone. It has trace amounts of chromium and sometimes vanadium.