Devious Codeworks
Freeware
Gemstones is a fruit slot machine simulation game.
9
WJA
26
Commercial
A program that contains the most comprehensive gemology references available.
2
MysticBoard.com
This is an advanced and a complete gemology reference tool.
Presidium Instruments
28
Freeware
It enables users to further eliminate the list of possible colored gemstones.
Robert W. Strickland
34
Shareware
GemRay renders images of gemstones using the technique of ray tracing.
1
300AD
9
Shareware
Crystal Cave Gold is an excellent puzzle game with an old-school feel.
