Precious stones chart

Great little chart showing a few precious gemstones.

Learn how to identify rocks and mineral. With basic knowledge, pictures and charts, you can learn rock, mineral and crystal identification.

beautiful precious and semi precious gemstones list which are only in purple and indigo color including sapphire, tanzanite, spinel, tourmaline, diamond, jade, apatite, jasper, topaz, lolite and other gemstone

Cubic zirconia color chart

Pdf file for identification of small tumbled natural stones. Perfect for scouts or young rock lovers.