Tourmaline Gemstones and Jewelry

Tourmaline is a boron silicate gemstone that may contain any of a number of other elements, giving it a chemical formula of (Ca,K,Na,[])(Al,Fe,Li,Mg,Mn)3(Al,Cr, Fe,V)6
(BO 3)3(Si,Al,B )6O18(OH,F)4. It forms trigonal crystals and has a hardness of 7 to 7.5. Tourmaline is often black but may be colorless, red, green, bi-colored, tri-colored, or other colors.  Citation

Filter:

Availability
0 selected Reset
Price
The highest price is $400.00 Reset
$
$
Clear all

24 products

Filter and sort

Filter and sort

24 products

Availability
Clear
Price

The highest price is $400.00

$
$
Clear
Clear all
Clear all

24 products