Identify Gemstone

Identify gemstones using systematic physical and optical property testing, inclusion analysis, and elimination against known species profiles.

When to Use

• You have an unknown gemstone or suspect gemstone and want to identify the species
• You need to verify a seller's claim about a gemstone's identity
• You want to distinguish a natural gemstone from a common simulant or synthetic
• You are building gemological literacy through structured observation and testing
• You need to identify rough material before cutting to ensure safe handling

Inputs

• Required: A gemstone specimen (loose stone preferred; mounted stones limit testing)
• Optional: Refractometer with contact liquid (RI fluid, 1.81 standard)
• Optional: Dichroscope (for pleochroism testing)
• Optional: Chelsea colour filter
• Optional: Specific gravity balance or heavy liquids