...等。以上为有结晶的石英之分类,它们都是结晶性的石英,虽然有的很明显,但有些并不是那么容易见到好的结晶。 玉髓(Chalcedony)是水晶无方向性的同质体,其生成为水溶液的微晶沉淀,或蛋白石于低温环境下之去水产物。
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green chalcedony 绿玉髓
Blue Chalcedony 天蓝玛瑙
chalcedony onyx 缟玛瑙
chalcedony moonstone 玉髓月光石
Red Chalcedony 粉玉髓 ; 红玉髓
oriental chalcedony 东方玉髓
Agate and Chalcedony 石英质玉石
N a microcrystalline often greyish form of quartz with crystals arranged in parallel fibres: a gemstone. Formula: SiO2 玉髓
Remove Doubts by Madam Yan Haemachates Mean the Red Chalcedony too?
阎女士释疑——血玉髓就是红玉髓吗?
Budaoweng has two kinds, one is hydrogrossular, the other is chalcedony-opal.
不倒翁有两种,一种为水钙铝榴石玉,另一种为玉髓蛋白石玉。
Blue chaleedony is one of the most precious gemstones in Taiwan, The most popular imitations of blue chalcedony in Taiwan market are dyed chalcedony, dyed quartzite and blue opal.
蓝玉髓是台湾最珍贵的宝石之一,它产于台湾东部海岸山脉一带。
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