Rose Quartz Description

Rose quartz is one of the many quartz varieties used as a gem material. It gets its name from its delicate pink color, which ranges from very light (almost white) to medium-dark.

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Moonstone History and Lore

According to Hindu mythology, moonstone is made of solidified moonbeams.

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Ametrine Care and Cleaning

Learn about ametrine's durability and how to care for your ametrine jewelry.

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Ametrine Description

Transparent, bicolored quartz with the colors of both amethyst and citrine in the same gem is called ametrine or amethyst-citrine.

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Ametrine History and Lore

The world’s only commercial source of ametrine is the Anahi mine in southeastern Bolivia. Legend has it that a Spanish conquistador discovered the mine’s location in the 1600s and introduced the gem to Europeans when he presented several specimens to his queen.

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蔷薇石英保养与清洁

了解粉晶的耐用性以及如何保养您的粉晶首饰。

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Morganite Quality Factors

Learn about the factors that make morganite so desirable.

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Morganite History and Lore

Following the discovery of a new locality for rose beryl in Madagascar in 1910, George Kunz proposed the name morganite at a meeting of the New York Academy of Sciences on 5 December 1910 to honor his friend and customer J.P. Morgan.

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Morganite Description

Like many gems found in pegmatites, morganite can form large crystals.

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Morganite Care and Cleaning

Learn about morganite's durability and how to care for your morganite jewelry.

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Moonstone Quality Factors

Learn about the factors that make moonstone so desirable.

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丹泉石质量要素

“奥德赛太阳石”系列的最后一期介绍了太阳石山矿(一个拥有大量壮观的绿色和双色宝石的新矿址)。

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Tanzanite Journey

Lush blue velvet. Rich royal purple. Exotic tanzanite is found in only one place on earth, near majestic Kilimanjaro

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Tanzanite History and Lore

Tanzanite is relatively new to the colored stone galaxy. Almost overnight, tanzanite was popular with leading jewelry designers and other gem professionals, as well as with customers who had an eye for beautiful and unusual gems.

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红宝石的历史与知识

红宝石的名字来源于拉丁语 ruber,意思是“红色”。红宝石那耀眼的红色仿佛象征着宝石中燃烧着永不熄灭的火焰……

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红宝石之旅

红宝石是刚玉矿物中最有价值的品种,蓝宝石也属于刚玉矿物。

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Dona Dirlam

从小对宝石和矿物的热爱造就了 GIA 图书馆的转型和持久的卓越声誉。

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Topaz Journey

Honey yellow. Fiery orange. Cyclamen pink. Icy blue. In warm or cool tones, topaz is a lustrous and brilliant gem

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Winter 2022 G&G Publication Information

This document provides the publication information for Gems & Gemology

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Alexandrite History and Lore

The gem was named after the young Alexander II, heir apparent to the throne. It caught the country’s attention because its red and green colors mirrored the Imperial Russian flag.

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