Even though tourmaline specimens can reach spectacular sizes these are rare. The color of a tourmaline can determine its value. Usually iron rich tourmalines are black to bluish black to deep brown while magnesium rich varieties are brown to yellow and lithium rich tourmalines are almost any color. The miners today sell much of their best production as mineral specimens. Rarely it is colorless.
This green tourmaline makes a great collector specimen of gem grade natural tourmaline just as it is or it could be faceted into a single fine quality dark green tourmaline gemstone weighing 20 carats. Below is a gallery of gem mineral specimens for sale from john betts fine minerals in new york city ny included in this group are crystallized gems for sale of tourmaline rubellite elbaite indicolite beryl aquamarine heliodor morganite emerald spodumene kunzite hiddenite opal diaspore topaz corundum sapphire ruby. Tourmaline crystals are often cracked and flawed which puts a premium on clean gemstones especially those over 10 carats in weight. We specialise in namibian specimens and gemstone facet cab rough for sale. If you want something special.
A gemstone spectrum brian c. Hobby faceters cutters private collectors and dealers welcome to contact. Fantastic pink tourmaline crystal with quartz with other minerals. The eye in a cat s eye tourmaline can be very strong especially when set against a richly colored gem. We are mining and hunting specimens all the time.
RELATED ARTICLE :
Gem grade green tourmaline crystal 1 75 inches long. This month s featured gems. These provide the market with a constantly changing supply of gem tourmaline and mineral specimens. For fashioned gems of similar color and clarity the price per carat generally increases as the gems pass the five carat milestone. We understand faceting material from namibia tourmaline demantoid etc very well.Tgrm377 natural color green tourmaline crystal weighs 8 92 carats. Over 100 new items. Prices rise sharply for large sizes of facet quality rough gems because they are rare. Tourmaline is a gemstone full of energy color and life. Generally the only acceptable types of inclusions in cut tourmalines are the tubes that when densely packed produce a cat s eye effect in cabochons.
Just send me and email. The specimen displays tourmaline s characteristic columnar form. Has a variety of colors. This beautiful tourmaline mineral specimen is from california. Tunduru australian sapphire congo tourmaline ethiopian opal california garnets more.
Tunduru australian sapphire congo tourmaline ethiopian opal california garnets more. Just send me and email. Tgrm377 natural color green tourmaline crystal weighs 8 92 carats. Gem grade green tourmaline crystal 1 75 inches long. A gemstone spectrum brian c.
RELATED ARTICLE :
This beautiful tourmaline mineral specimen is from california. This green tourmaline makes a great collector specimen of gem grade natural tourmaline just as it is or it could be faceted into a single fine quality dark green tourmaline gemstone weighing 20 carats. Even though tourmaline specimens can reach spectacular sizes these are rare.
