Tag
lapidary guide
-
The Secret Spectrum: What Color Is Opalite and Why It Defies Classification
The confusion stems from opalite’s dual nature: it’s both a mineral and an optical illusion. While it shares the silica-based composition of opals, its colors...
-
How to Identify Raw Sapphire Without Lab Tests: Expert Tips
What separates seasoned gemologists from casual rockhounds is the ability to recognize these telltale signs without lab equipment. Raw sapphire, when freshly...