List of 24 Gemstones or Precious Stones with Names, Pictures and Colors

Names Source: Sharif Khan via petragems.com
Images/pictures and color details are obtained from sources across the web.
Sources of Color Details for Each Gemstones:
1. Alexandrite - www.gia.edu/alexandrite
2. Amethyst - www.gia.edu/amethyst
3. Aquamarine - www.gia.edu/aquamarine
4. Citrine - www.gia.edu/citrine
5. Diamond - en.wikipedia.org/wiki/Diamond
6. Emerald - www.gia.edu/emerald
7. Garnet - www.lespierresdejulie.com
8. Jade - www.gia.edu/Jade
9. Lapis Lazuli - www.petragems.com
10. Moonstone - www.geologin.com
11. Morganite - www.gia.edu/morganite
12. Onyx - www.pertragems.com
13. Opal - www.indiamart.com
14. Paraiba TOURMALINE -www.gemsociety.org
15. Pearls - www.amazon.com/pearl  
16. Peridot - www.gia.edu/peridot
17. Ruby - www.gia.edu/ruby
18. Sapphire - www.gia.edu/sapphire
19. Spinel - www.gemstones.org
20. Tanzanite - www.gia.edu/tanzanite
21. Topaz - www.geologypage.com
22. Tourmaline - www.geologin.com
23. Turquoise- www.geology.com
24. Zircon - www.healingwithcrystals.net.au/zircon.html