Pennachio Jewelers (Listing id 79078)

Precious White Opal
White opal has a light base and can have a strong colour play.

Bead Cuts and Shapes
Beads are believed to be the earliest of jewels — their simple form could be carved easily out of soft gemstone

Natural glass: obsidian and moldavite
Natural glass tends to be overlooked as a gemstone because of the extensive use of manufactured glass in gemstone

Sphene
Sphene is highly regarded as a gemstone by collectors, but scarcity has kept it out of the commercial market until now.

Prehnite
Prehnite only fully reveals itself as a beautiful gemstone once it has been worked. The rough material hides its

Physical Properties of Gemstone Material
An understanding of the optical and physical properties of the material is a prerequisite to knowing the best ways of

Sugilite
Despite the fact that sugilite has been in production for a relatively short period, there are already reports that it