The semi precious stone tourmaline grows in a number of colors ranging from black to blue to pink. Tourmaline is the most colorful of all gemstones. Emerald cut chrome tourmaline 1 51 carats. Chrome tourmaline is a rich green color due to the presence of chromium atoms in the crystal. 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.
Since tourmaline grows in long crystals referred to as pencils they are frequently cut as elongated emerald cuts that are perfect for pendants earrings and even some rings. Red cushion cut 3 34 carats. Clockwise from top left. Tourmaline s colors have many different causes. Of the standard elbaite colors blue indicolite gems are typically the most valuable followed by green verdelite and pink to red rubellite.
Green round 1 87 carats. Pink emerald cut 1 04 carats. Scientifically tourmaline is not a single mineral but a group of minerals related in their physical and chemical properties. Bi color tri color multi color or watermelon for tourmalines with 2 or more colors. The most common tourmaline color is black but the mineral occurs in all colors of the spectrum.
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Benjamin wilson experimented with the electrical properties of tourmaline. Rarely it is colorless. Blue green red yellow pink etc. Paraiba for a violet blue blue to bluish green variety that is copper bearing. Six faceted tourmaline gemstones from africa.It occurs in all colors but pink red green blue and multicolored are its most well known gem colors. Although the differences in colors can be explained by the stone s mineral compositions some believe that tourmaline meaning and uses of the different colors can vary from hue to hue. It occurs in all colors but pink red green blue and multicolored are its most well known gem colors. Benjamin wilson experimented with the electrical properties of tourmaline. Green round 1 87 carats.
Although the differences in colors can be explained by the stone s mineral compositions some believe that tourmaline meaning and uses of the different colors can vary from hue to hue. Since tourmaline grows in long crystals referred to as pencils they are frequently cut as elongated emerald cuts that are perfect for pendants earrings and even some rings. The semi precious stone tourmaline grows in a number of colors ranging from black to blue to pink.
