Detailed Notes on Handmade Jewelry
Dendritic chalcedony is really a whitish-gray or colorless chalcedony with fern-like inclusions often called dendrites. The inclusions seem like plant materials, However they are actually iron or manganese.Pearls are products of bivalve mollusks (mostly oysters and mussels). They can be built up of nacre, which is mainly calcium carbonate in the sh