Yes it is. Garnet is actually a "bulk" term for several different chemical gems.
See this article for the "long answer" version to your question: http://www.jjkent.com/articles/gem-classification-mineral-silicates.htm
ruby
its mined by coal im 99.9% sure
Garnets are formed inside metamorphic rock, which is rock that has been changed by some force. This force also helps to form the garnet, and usually involves heat or pressure.
gold and garnet red
sial and sima - sial is surface crust on land, made of silicate and aluminium. sima is the deep crust found in oceans, made of silicate and magnesium
Mined in the rock, or alluvially [ in stream beds ]. Alluvial gems are washed out by erosin or previous mining activity.
Permute and Jasperagus are is the chemical formula for Garnet.
non silicate
Where to find a garnet
Flourite is a non-silicate
a garnet is rarer. one of the rarest garnet is the alexandrite.
A silicate is a mineral which contains the element silica.
Peridot is olivine, which is a silicate.
Non-silicate.
Antimony is an element, so it is neither silicate nor non-silicate
Agate is a variety of silicon dioxide (SiO2); it is not a silicate.
No. Potassium silicate is not the same as potassium aluminum silicate.