Chinese Name：水膽水晶
English Name：Bile of Water (Enhydro Quartz)
Chemical Composition：SiO2
Crystal System：Trigonal
Hardness：7.0
SG：2.65
RI：1.544 - 1.553 (Double refraction +0.009)
Related Chakra：Crown
Transparency：Transparent
Remarks：Water bubbles appear inside quartz and can be viewed by naked eyes.

An enhydro is a mineral or crystal which naturally contains fluid/water; the fluid could be eons of years old and is most likely quite pure;