Everything you ever wanted to know about apatite. Find value guidelines, scientific data, expert comments, and more in our Gemstone Listings.
Gemstone luminescence is a glow that occurs when certain stones are subjected to energy such as UV light. This effect can help gemologists identify gems.
Two of the trickiest gemstone separations to make are scapolite from citrine and apatite from tourmaline. Learn some tips for distinguishing these gems.
Did you know most gem species can be distinguished without the element of color? Learn the role gemstone colors play in gem identification.
An overview on Wilkeite Jewelry and Gemstones. Covers details and essential information on the physical properties and characteristics of Wilkeite gems.
An overview on Vanadite Jewelry and Gemstones. Covers details and essential information on the physical properties and characteristics of Vanadite gemstone.
We live in a world of crystals. Learn what diamonds, kidney stones, bones, pearls, and dust have in common.