Yes, ruby is the red gem variety of a mineral called corundum, an aluminum oxide. Interestingly enough, sapphire is also nothing but a trade name for corundum, and it's not just blue, it's found in a wide range of colors.
No, rubies are not the strongest minerals. They are the second strongest, along with other corundums like sapphires. The strongest minerals are diamonds.
Yes, rubies are used in some LASERs. These LASERs are (not surprisingly) called ruby LASERs.
Aluminium oxide and Corrundum
The main component of rubies is the mineral corundum.
Rubies are part of the corundum mineral group.
Natural rubies are a gem stone and not man made. These can be found in Southeast Asia and the middle east. Yet, there are lab created rubies that are seen in a great deal of today's modern jewelry. To find a natural ruby is rare and they cost a great deal. The lab ruby is made by many companies all over the world.
Quite possibly lots of rubies,emeralds, diamonds and gold.
No, maybe for elements but not for minerals, the strongest mineral is diamond.
Natural Gas, Sapphires, Rubies, and other minerals of the earth.
gold, sylver, platinum, rubies, opals, diamonds, smeralds to name a few.
Rubies and sapphires are both made from corundum but both have different minerals that colour them. Rubies are always red and sapphires are any colour but red
Opals, rubies, emeralds, diamonds, and sapphires are all minerals. In fact, all gems are minerals with the exception of pearls, which have a biological origin.
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.
In RuneScape, you don't get rubies directly; you get them randomly through different methods:While mining different minerals.While mining minerals in Shilo Village; but here, too, you don't just get rubies, rather, you might randomly get some rubies and diamonds, together with less valuable gems.As drops, when killing different monsters.In summary, there is no fast way to quickly get lots of rubies; that makes them rare, and therefore expensive.
Uncut rubies are worth more than cut rubies
They are valuable because they are rare and take a long time to process to create a good looking stone. They are classified as "gemstones".
the rubies density is a 4 on the density scale