Government e marketplace (gem) is a digital platform for procurement of goods & services by central / state ministries / departments, psus, panchayats & cooperatives. Gia’s gem encyclopedia is a virtual journey through the science and lore of gemstones from across the globe Each precious stone page features additional detailed gemological information, a buyer’s guide, photos, videos & research. Discover everything about amethyst gemstones — from their meaning and Gem profile buying guide ametrine GEM翻譯：寶石, （尤指切割成規則形狀的）寶石, 非常好的, 難能可貴的人（或物）;被人喜愛的人（或物）;非常有用的人（或物）。
Articles about gemstones written by a gia graduate gemologist Each article includes photos and information about the gem's physical properties and geologic origin. Gemstones have attracted humankind since ancient times, and have long been used for jewelry The prime requisite for a gem is that it must be beautiful The beauty may lie in colour or lack of colour In the latter case, extreme limpidity and “fire” may provide the attraction.
Learn how to get started with the international gem society’s guide to gemstone identification Join our weekly newsletter & get a free copy of the gem id checklist!
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