Gem

Gems are almost as important as Crystals, however less valuable, and if the player gets every single gem, s/he usually gets some sort of award. There are about 45 gems in a game, except for Twinsanity with 100 and CTTR with 5. It has appeared in all games except the home console version of Crash of the Titans (They did appear in the DS and GBA versions, however).

Types of Gems
Aside from the regualr-shaped Clear Gem, there are several other Varieties and Colours of Gem. What follows is their Common Name, which Colours they appear in and a Brief Description in order of when they first appear in the Game.

Crash Bandicoot 2
{| border=1 cellspacing=0 cellpadding=2 style="vertical-align:top" !Common Name(s) !Colour(s) !Levels Found !Description !Unlocks
 * Gem
 * White
 * all levels
 * This gem is obtained by breaking every box in the level and can also be found just lying around
 * Secret ending
 * Blue Gem
 * Blue
 * Turtle Woods
 * This gem is obtained by not breaking any crate in the level.
 * Hang Eight Blue Gem Route, Spaced Out Blue Gem Route, Secret ending
 * Red Gem
 * Red
 * Snow Go, Air Crash
 * This gem is obtained by super-jumping off a certain bouncy box in Snow Go, or by going through a secret portal in Air Crash.
 * Snow Biz Red Gem Route, Spaced Out Red Gem Route, Secret Ending
 * Green Gem
 * Green
 * The Eel Deal
 * This gem is obtained by stepping through the dead end in the room filled with Nitro Crates in The Eel Deal, then going on a secret route.
 * Ruination Green Gem Route, Spaced Out Green Gem Route, Secret Ending
 * Yellow Gem
 * Yellow
 * Plant Food
 * This gem is obtained by completing the Time Trial of Plant Food.
 * Sewer or Later Yellow Gem Route, Spaced Out Yellow Gem Route, Secret Ending
 * Purple Gem
 * Purple
 * Bee Having
 * This gem is obtained by stepping on the fake NITRO crates in Bee Having, then going on a secret route.
 * Spaced Out Purple Gem Route, Secret Ending
 * Purple Gem
 * Purple
 * Bee Having
 * This gem is obtained by stepping on the fake NITRO crates in Bee Having, then going on a secret route.
 * Spaced Out Purple Gem Route, Secret Ending
 * Spaced Out Purple Gem Route, Secret Ending