inclusions

…Inclusions Tourmaline displays elongated or threadlike cavities, sometimes with two-phase inclusions. The tubes usually run parallel…

…Used with permission. Inclusions Such changes of conditions within a cavity is also one cause of gemstone inclusions. A new crystal may start…

…a natural stone, this is still an expensive method of gemstone creation. Flux Grown Crystals Alexandrites grown using flux methods have inclusions…

…of three evenly spaced bands is distinctive. Inclusions Under 10X magnification, peridots will often reveal a distinctive, disk-like liquid-and-gas…

…diamonds. Graphite is present as black inclusions. Pyrrhotite, pyrite, pentlandite, ilmenite, and rutile (darkcolored ore minerals) may…

…place. Cracks and Inclusions If you want to disguise cracks and inclusions in the emerald, use a material with a refractive index (RI) close…

…Thai Ruby Gemstone Value At a Thai ruby dealer’s stand, you find a 2.1 carat specimen with a few inclusions on the side but clean in the middle.…

…have inclusions, though these don’t usually impact their price. This untreated, very pale blue topaz has a clarity grade of VVS, “very,…

…tolerate inclusions in your comparison stones, provided they don’t affect color or transparency. Examine them face down on a piece…