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Fine Jewelry University Articles matching: “Raw tanzanite”
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Gem in the Spotlight: Tanzanite
Beauty and rarity are two wonderful traits in a gemstone. Tanzanite has them both. In fact, it is estimated that Tanzanite is 1,000 times rarer than diamond. But, what makes Tanzanite … mix of blue and purple. The deep hues of violet, indigo, and blue come together in an unrivaled blend only found in tanzanite. Yet, even with its rarity and dynamic look, tanzanite is still less in price than more commonly known gems like … of Tanzanite Gemologists refer to this gem as blue zoisite. The vast majority (current estimates are around 95%) of tanzanite is heat treated to help bring out the vibrant blues. The stones that haven’t been heated by humans were heated …
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The Birthstones
… for this month. Learn more about Topaz and Citrine December’s Birthstones: Turquoise (Blue Zircon, Blue Topaz, Tanzanite) Turquoise is found in Egypt, Persia (Iran), Tibet, and the Americas. It has been treasured for its beauty from … is associated with Innocence. Present day additions to December’s birthstones are Blue Zircon, Blue Topaz, and Tanzanite. Learn more about Topaz , Tanzanite , and Blue Zircon
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Gem in the Spotlight: Iolite
… of the list. Iolite’s color range of blue, blue-violet, and violet competes for public attention with sapphire, tanzanite, and amethyst. They may have name recognition, but iolite has a rich, unique color and great gem value on its side. It …
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Gem in the Spotlight: Blue Zircon
… and brilliant flashes of light. To top it all off, zircon is generally very affordable. It is a wonderful gemstone for jewelry wearers and gem collectors alike. Plus, it out sparkles the other December birthstones (Blue Topaz and Tanzanite) making it a great gift for anyone born in December or who simply appreciates dazzling,
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Gem in the Spotlight: Tourmaline
… family (unlike emerald and aquamarine, for example, which are members of the beryl family). It has a refractive index of 1.624 to 1.644 and a Mohs hardness of 7 to 7.5 which makes it softer than topaz or sapphire and harder than tanzanite or opal. Tourmaline is found in a huge variety of colors (sometimes even within the same gem), and some of these colors have their own names: Rubellite: is red, pinkish red, orangy red, or pink tourmaline. Indicolite: is dark blue, dark …
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Gem in the Spotlight: Amethyst
… such as Russia, the United States, and Canada. Amethyst is known for its durability with a Mohs hardness rating of 7. For reference, amethyst is roughly as hard as tourmaline, softer than sapphire and topaz, and harder than opal and tanzanite. This makes it a durable gemstone that is resistant to scratching and chipping. It is also resistant to heat and chemicals which means that it can withstand daily wear and tear. Amethyst has the same refractive index as other varieties…
