Colored Gemstone Identification

Colored gemstones, with their breathtaking hues and natural beauty, have captivated humanity for millennia. From the deep, rich blues of sapphires to the vibrant greens of emeralds and the fiery reds of rubies, these treasures of the Earth are as diverse as they are stunning. Each gemstone is unique, bearing its own story of geological formation, often spanning millions of years. Colored gemstones not only add aesthetic value to jewelry but also carry historical significance and cultural symbolism across various civilizations.

At STEMart, we are passionate about unlocking the secrets held within these exquisite stones. Our state-of-the-art gemstone identification services ensure that every gem's authenticity, origin, and quality are thoroughly assessed, providing our clients with trust and confidence in their precious investments.

Test Samples

Colored Gemstones: Ruby, alexandrite, emerald, sapphire (all colors), spinel (all colors), Paraiba tourmaline, demantoid, etc.

Other Colored Gemstones: Tourmaline, tanzanite, garnet, peridot, topaz, chrysoberyl, beryl, opal, etc.

Testing Services

• Visual Inspection: Expert gemologists perform an initial visual assessment using magnification to observe the gemstone's color, surface characteristics, and any inclusions that may be present.
• Spectroscopy Analysis: This technique allows us to understand the stone's chemical composition and identify any treatments it may have undergone.
• Refractive Index Measurement: Determining the refractive index helps in identifying the gemstone by comparing it against known values for various minerals.
• Specific Gravity Test: This test further aids in gemstone identification by measuring its density.
• Advanced Imaging: High-resolution photography and microscopy reveal internal structures and any treatments or enhancements the gemstone may have received.

For more information about our colored gemstone identification services, please contact us.