Top Handmade Mammoth Tusk Secrets
Dendritic chalcedony is usually a whitish-gray or colorless chalcedony with fern-like inclusions often known as dendrites. The inclusions appear like plant material, but they are actually iron or manganese.Hemimorphite druzy is often a zinc silicate using a hardness of five on the Mohs scale. Sometimes spelled druzy, druse or drusies, each one of t