Rubies come in pinkish red or deep, rich red color and are one of the precious stones. They are used in rings, earrings, necklaces and bracelets and are sometimes also used to protect from any illnesses.
Corundum can be used for sandpaper,jewelry,grinding wheels,etc.
Rubies are mostly used to make jewelry. They are also used in making solid-state lasers, but this usually involves synthetic rubies to avoid the flaws in natural ones.
Garnets are used as a gemstones. Garnet sand is used as an abrasive and for water filtration. Garnet paper is favored by cabinetmakers for finishing bare wood.
Jewelry, Ruby lasers and masers, and machinery (ball bearings)
There is some truth that rubies are used in lasers. The ruby laser was the first laser created using a faux ruby crystal as a medium. It was developed by Ted Maiman in May of 1960.
Rubys can make a bearing for watches :o
mostly for jewelry and as a birthstone
Since rubies are red, they are used in lasers.
Uncut rubies are worth more than cut rubies
There are ruby mines in Africa.
Rubies are traditionally classified as "precious", not "semi-precious".
Nope.
Since rubies are red, they are used in lasers.
Yes, rubies are used in some LASERs. These LASERs are (not surprisingly) called ruby LASERs.
false
are gems used as rubies called lasers
rubies
It is a strand of rubies
Rubies are a gemstone. Unless the cat is wearing a collar that is decorated with rubies, no cats do not have rubies.
Jewelry making (including watchmaking)Scientific jobs using Ruby lasersIndustrial rubies are used as an abrasive
They are hard, colorful, shiny and rare.
Egyptians
Depends on the laser in some cases yes
Uncut rubies are worth more than cut rubies