Real vs fake: Turquoise
Real turquoise has mineral matrix and a waxy finish. Dyed howlite is a common fake: white base with painted blue veins.
- Natural brown/black matrix veins
- Waxy to sub-vitreous surface
- Color ranges sky-blue to green-blue
- Dense feel for size
- Chalky white showing through scratches
- Blue dye that rubs onto cloth
- Matrix that looks drawn with a pen
- Very light weight
Field tests
- Inspect a scratch or edge for white howlite core
- Acetone swab: dye may transfer from fakes
- Ask sellers for untreated vs stabilized disclosure