Madagascar Green Dendritic Opal 8mm Round - 15-16 InchThis variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, manganese and other metallic oxides captured during the forming of the rock. Opals are hydrated amorphous forms of silica, created when silica hardens within the fissures of other stones.

among other numerous names

Similar to Tiger's Eye

Dutch Colonel Hendrik Von Prehn

The most common include: purple lepidolite

Red Jasper is an aggregate of microcrystalline quartz and/or chalcedony and other minerals

The addition of the rhodium plating not only protects these from oxidation but also highlights the Widmanstätten pattern

strong tropical wood native to the Philippines

a 19th-century German professor of chemistry and mineralogy

Positive Thoughts

with banding that creates vibrant landscape patterns throughout the stone

It's actually a pink variety of Beryl -- the family of gemstones that also includes Aquamarine

An orthoproxene mineral