Ruby, the gem variety of the mineral corundum, is one of the most valued gemstones known. Fine rubies are far rarer and command higher prices than diamonds. Rubies have been used for bearings in watchmaking, and we see the application of corundum in abrasives.
it explodes on a diamond
The commercial name of the ruby is 'ruby rock'. In geological terms it is called as Goodletite. It is commonly found in Westland and New Zealand.
Ruby belongs to the mineral group Corundum
The ruby is a variety of the mineral corundum, so the ruby is indeed a mineral.
The mineral corundum.
ruby
Wulfenite is an ore of lead and molybdenum.
Ruby, a variety of the mineral corundum, has a hardness of 9 on the Mohs scale of mineral hardness.
A ruby is a crystal form of the mineral corundum.
Ruby represents the red variety of the mineral corundum.
Ruby
Rubies are part of the corundum mineral group.