Such Ruby is known as "Burmese Ruby" or "Pigeon's Blood Ruby". Ruby from Burma is famous for its exceptional coloring, and has traditionally produced the finest Rubies. However, Burmese Ruby rarely exceeds several carats; large flawless Burmese Rubies can be worth millions of dollars.
Almandine is a mineral that belongs to the garnet group. It is the most common of the garnets, and is usually red to brown in color. Sometimes, it is so dark red that it appears to be black.
Such Ruby is known as "Burmese Ruby" or "Pigeon's Blood Ruby". Ruby from Burma is famous for its exceptional coloring, and has traditionally produced the finest Rubies. However, Burmese Ruby rarely exceeds several carats; large flawless Burmese Rubies can be worth millions of dollars.
The Samarian Spinel is the largest known spinel in the world, weighing 500 carats (100 g). The transparent red spinels were called spinel-rubies or balas rubies. In the past, before the arrival of modern science, spinels and rubies were equally known as rubies.
And per many other gem websites (such as THIS one), Brazilian Ruby is actually Pink Topaz. The faceted rondelles (pictured right) look almost like dyed jade, and as they are sold as "Brazilian Rubies" from DHGate in China, they are most definitely NOT rubies.
Cuprite is an oxide mineral composed of copper(I) oxide Cu 2 O, and is a minor ore of copper.
Though both rubies and garnets are beautiful red stones, you really don’t want to confuse the two. Specifically, you don’t want to pay for a ruby and wear a garnet. At a brief glance, they look very similar. However, rubies are considered one of the most valuable gemstones whereas garnets are, well, not. Rubies are harder, a much more brilliant red, and much more expensive.
Geneva Ruby (specifically Ruby-2F4 Cut-SAA) is a Homeworld Gem, and an original Gem created by David. She is Scapolite's first successful homogem Synthetic Gem.