Gemstone inclusions

Zoning Very common Color Zoning Under 10x loupe in immersion: bands or patches of deeper or lighter color arranged… 54 stones Crystals Very common Crystal Inclusions Under 10x loupe: solid, well-formed mineral crystals trapped inside the host gem. They may… 126 stones Synthetic Very common Curved Growth Striae, Synthetic ID Under 10x loupe in immersion: curved parallel lines flowing through the stone in sweeping… 18 stones Fractures Very common Feathers and Fractures Under 10x loupe: irregular internal surfaces that catch light and appear bright, wing-like, or… 110 stones Fractures Very common Fingerprint Inclusions Under 10x loupe: curved or wavy lines of tiny dots forming patterns that look… 113 stones Needles Very common Growth Tubes, Rain Inclusions Under 10x loupe: long thin hollow channels running parallel to each other and to… 24 stones Needles Very common Horsetail Inclusions Under 10x loupe: fan-shaped or radiating bundles of pale yellowish fibers all emerging from… 1 stones Crystals Very common Negative Crystals Under 10x loupe: an empty cavity that has the geometric shape of the host… 28 stones Clouds Very common Pinpoint Clouds Under 10x loupe: concentrations of extremely tiny bright dots that individually are too small… 113 stones Crystals Very common Radiation Halos Under 10x loupe or microscope: a dark brown, gray, or discolored spherical zone surrounding… 10 stones Needles Very common Silk, Rutile Needles Under 10x loupe: extremely fine bright lines crossing in three directions at 60├é┬░ angles.… 15 stones Multiphase Very common Two-Phase Inclusions Under 10x loupe: a transparent irregular cavity containing both a liquid phase and a… 106 stones Fractures Very common Centipede Inclusions Under 10x loupe: rows of short stress fractures between alternating feldspar layers, arranged perpendicular… 4 stones Optical Occasional Adularescence and Labradorescence With the naked eye and loupe: a glowing light effect that appears to float… 3 stones Synthetic Occasional Chevron and Nail-Head Inclusions, Synthetic Emerald Under 10x or higher: V-shaped or chevron patterned structures, plus small rod-like inclusions with… 1 stones Multiphase Occasional Jardin, Three-Phase Inclusions Under 10x loupe: tiny irregular cavities that contain three things at once: a tiny… 1 stones Fractures Occasional Lily Pad Inclusions Under 10x loupe: circular or disc-shaped fractures radiating around a small dark central crystal.… 1 stones