This is what I found When I searched "kinds of red gemstones". Hope it helps!
Images found for the query kinds of red gemstoneswww.gemselect.com
Gemstones that possess a red hue are as follows: Carnelian, Coral, Ruby , Star Garnet, Andesine Labradorite, Fire Opal, Spinel, Pyrope Garnet, Tourmaline, Rhodolite Garnet, Zircon, Star Ruby , and Rubellite Tourmaline. Aug 8, 2017