Gslxheal Jewelry Refractometer, 1.30–1.81 Portable Gem Tester for All Stones, Gemstone Identification Tool with LED Flashlight & 3 ml Refractive Oil Kit

Gslxheal Jewelry Refractometer, 1.30–1.81 Portable Gem Tester for All Stones, Gemstone Identification Tool with LED Flashlight & 3 ml Refractive Oil Kit

• ★ Compact Portable Design: Acts as a lab refractometers portable tester and gem tester for all stones, featuring 3 ml refractive oil, LED flashlight, and lightweight jewelry instrument gem density meter for field or lab use.
• ★ Professional Accuracy: High‑precision refractometer gemstone with RI range 1.30–1.81, 0.01 ri scale, delivers gemstone tester for all stones professional results—perfect for distinguishing uniaxial/biaxial crystals and phototropic properties.
• ★ Non‑Destructive ID: Gem refractometer provides instant refractive index and optical data without harming samples. The LED‑illuminated presidium gem tester design ensures crystal‑clear viewing and reliable gem identification every time.
• ★ Versatile Refractometer Tech: Built on the same principle as refractometer sugar tools, this device also serves as a refractometer jewelry and gem density meter—empowering you to assess optical density and verify gemstone authenticity.
• ★ All‑In‑One Gem Tester Kit: Complete gem tester and gemstone tester set Including Gemstone Refractometer*1, Flashlight*1, Refraction Oil*1, English Manual*1. Jewelry Calibration Test Tool For All Kinds Of Gemstones, Jewelry, Etc.