in Colombian Emerald
to go back to Emerald Page
inclusions and liquid veils.
3- phase inclusion
features a gas bubble and dolomite crystal with typical jagged
outline seen in syngenetic inclusions
The lower 2-phase
inclusion features a gas bubble in liquid, also with jagged
following books are my recommendations for further study.
They are some of the best available.
If you would like a larger selection, please visit the Book
The Curious Lore of Precious Stones:
by George Frederick
Gemstone Buying Guide: A Guide to Buying
by Renee Newman