10-October

This specimen of mushroom tourmaline features  a 15 mm rounded mushroom-like crystal with the c.....

This watermelon tourmaline crystal weighs 46.7 carats, and is a wonderful example of this uncommon f.....

This specimen of watermelon tourmaline weighs 44.4 carats, and is very colorful. It is gemmy inside,.....

Here's a wonderful specimen of TOURMALINE from the famed gem pegmatite in Paprock, Nuristan Province.....

The color of this tourmaline is a rich, rosy pink that really makes this gemmy crystal glow. The fla.....

This beautiful, gemmy crystal of pink tourmaline comes from Afghanistan. It has a smooth, flat basal.....

This tourmaline crystal from Afghanistan is an attractive blush pink color that has a nice luminosit.....

Here's a gemmy single crystal of watermelon tourmaline from Brazil. The end of the crystal show the .....

Here is a brilliantly lustrous, partially translucent group of 4 green elbaite tourmaline crystals w.....

Here's a terminated crystal of watermelon tourmaline from Brazil. The crystal is terminated on one e.....

Multicolored flashes of red, orange, green and yellow flash brightly on and off inside this outstand.....

Though it is not a gem crystal, this watermelon tourmaline shows some nice transparency and gemmines.....

Here is a delightful pink, green, and blue-green gem tourmaline crystal from Northern Pakistan. The .....

Here's a large single crystal of watermelon tourmaline from Brazil. Both ends of the crystal show th.....

Here is a lovely gemmy tourmaline crystal from Pakistan. The color is superb: the body of the crysta.....

Here is a large, 265 carat section of a watermelon tourmaline crystal which I acquired on my 2016 tr.....

This tourmaline specimen features both green crystals and watermelon crystals on a cookeite matrix. .....

Here is a beautiful example of the rare variety of tourmaline called liddicoatite. It has been thinl.....

This specimen of mushroom tourmaline features several rounded, high luster, mushroom-like crystals w.....

Of the 17 varieties of tourmaline, liddicoatite is probably the rarest. Liddicoatite is the rare, ca.....