Assessing color and quality in green gemstones. Some green tourmalines are very light green others so dark that the green color can only be recognized when the stone is held against the light. A handheld neodymium magnet can be used to identify or separate some types of tourmaline gems from others. In a green gemstone the primary hue is green but gems often have secondary hues too. Tourmaline can be found in fairly large transparent crystals and these can produce very large exquisite and flawless gemstones.
Tourmaline s colors have many different causes. According to vedic astrology this gemstone can be worn as a substitute of emerald to gain better intellectual ability refined oratory skills and good health. About green tourmaline tourmaline derives from the sinhalese term turamali which translates as stone of mixed colors. Us 56 99 95ct loose tourmaline gemstone green cushion. It s the masculine counterpart to feminine pink tourmaline and it s meant to boost courage strength stamina and vitality.
Some pink and yellow tourmalines might owe their hues to color centers caused by radiation which can be natural or laboratory induced. At this point it is useful to know that this does not necessarily mean that the stone comes from brazil. The color can range from pale green to shades of olive. Dravite species such as green chromium dravite and brown dravite are diamagnetic. Sign in to check out check out as guest.
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For example blue indicolite tourmaline is the only blue gemstone of any kind that will show a drag response when a neodymium magnet is applied. It s generally agreed that traces of iron and possibly titanium induce green and blue colors. In general a pure green hue is the most desirable and more expensive. Gemologists assess color by considering hue tone and saturation. Manganese produces reds and pinks and possibly yellows.A bottle green tourmaline for example may also be referred to as a brazilian tourmaline. Green tourmaline is regarded as one of the classic tourmaline colors. Details about 95ct loose tourmaline gemstone green cushion. However even among the green tourmalines there is a broad spectrum. Green tourmaline verdelite green tourmaline or verdelite is a natural semi precious green colored tourmaline gemstone.
Earlier it was more or less the rule that bottle green tourmalines came almost exclusively from brazil whilst stones which were green or blue green generally originated from africa. If you ask a gemstone dealer about tourmaline green or pink are the first colors he will think of. Tourmaline of all colors are faceted into gems for jewelry but the red green blue and multicolored stones especially watermelon are the most popular. Green gems may have blue or yellow secondary hues present. Earlier it was more or less the rule that bottle green tourmalines came almost exclusively from brazil whilst stones which were green or blue green generally originated from africa.
Green gems may have blue or yellow secondary hues present. A bottle green tourmaline for example may also be referred to as a brazilian tourmaline. For example blue indicolite tourmaline is the only blue gemstone of any kind that will show a drag response when a neodymium magnet is applied. Some pink and yellow tourmalines might owe their hues to color centers caused by radiation which can be natural or laboratory induced. Tourmaline s colors have many different causes.
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Tourmaline of all colors are faceted into gems for jewelry but the red green blue and multicolored stones especially watermelon are the most popular. Assessing color and quality in green gemstones.
