Judging quality
Look for bright apple-green color, high lustre and complete undamaged crystal faces across the specimen face.
Phosphate
Barrel-shaped green hexagonal crystals with a resinous glow, forming dense druses on matrix. Chinese material from Guangxi transformed the market in the 2000s.

Look for bright apple-green color, high lustre and complete undamaged crystal faces across the specimen face.
Contains lead; wash hands after handling. Soft and easily abraded.
Its name refers to the way a melted bead recrystallises into a faceted form on cooling.
Cultural history, recorded as tradition rather than as medical or scientific claim.
See it in person
Both rooms are open six days a week, and there is always someone happy to pull pieces out of the case so you can compare them under the light.