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。

Barovier went on to develop lattimo, or milk glass, which imitated the pure opaque whiteness of porcelain, and calcedonio, which reproduced the effects of chalcedony, agate and malachite.

这种类似白色瓷器的不透明玻璃，展现出了玉髓、玛瑙和孔雀石般的效果。