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Tamara de Rezende: Sep 20, 2023 5:36:39 PM
A created gemstone is one that is made in a laboratory, but which shares virtually all chemical, visual, and physical characteristics of its natural mined counterpart. In some cases, namely synthetic turquoise and synthetic opal, additional...
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Tamara de Rezende: Sep 20, 2023 5:31:59 PM
The Mohs Hardness Scale is a set of ten reference minerals (numbered 1 through 10, where one is the softest and ten is the hardest) that are used to...
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Tamara de Rezende: Jun 26, 2023 6:00:55 PM
Gemstones have been used in jewelry since prehistoric times and by many different civilizations. During that time they have been prized for their...
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Tamara de Rezende: Jun 26, 2023 5:55:00 PM
The use of gold stretches back almost as far as civilization itself. The precious metal has been a symbol of luxury and wealth for thousands of...
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Tamara de Rezende: Jun 26, 2023 5:51:21 PM
Tourmaline can be found all over the world, and in a wide spectrum of colors. From the ruby-like red hues of rubellite to the neon-blue Paraiba...
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Tamara de Rezende: Jun 26, 2023 5:48:18 PM
Peridot is sometimes referred to as an extraterrestrial gem. This is because small quantities of it have been found within pallasite meteorites that...
