紫晶

紫晶宝石往往成为苍白，如果保持在阳光下。

Amethyst gems often becomes paler if kept out in the sun .

北京紫晶世纪科技有限公司客户关系管理策略研究

Beijing Amethyst Century Technology Co. , Ltd. Customer Relationship Management Strategy Research

第三行是紫玛瑙，白玛瑙，紫晶；

In the third row a jacinth , an agate and an amethyst ;

出28：19第三行是紫玛瑙、白玛瑙、紫晶。

And the third row a ligure , an agate , and an amethyst .

水胆紫晶之精

The Essence of Amethyst with Water Trapped in

清洁您的紫晶在超声波首饰清洁剂或用温水，肥皂水和软刷子。

Clean your Amethyst in ultrasonic jewelry cleaner or with warm , soapy water and a soft bristle brush .

首页丰水而改变了紫晶洞的天然气田，以更好的使用效果。

Home Feng Shui to change the gas field , with the Amethyst Geode with the use of a better effect .

天然宝石主要有：橄榄石、石榴石、海兰宝、白黄玉、兰黄玉、紫晶、黄晶、茶晶、红宝石、兰宝石等。

Natural gemstones are : olivine , garnet , Hailan Bao , white topaz , blue topaz , amethyst , topaz , citrine , ruby , sapphire and so on .

本课题通过不同温度下的热处理实验，结合元素分析测试的结果，研究了彩色水晶的致色机理，结果显示，彩色水晶（紫晶、黄晶、烟晶、芙蓉石）都是色心致色。

By the heat treatment experiments at different temperatures , combining with the results of elemental analysis , studied the coloration mechanism . The results showed that coloration mechanism of color rock crystals ( amethyst 、 citrine 、 smoky quartz and rose quartz ) were color center coloration .