Gemologist Guide to Identifying Sphalerite
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Sphalerite is not well known among mainstream gemstone buyers but serious collectors know about its unique characteristics. Due to its high dispersion and glowing colors, Sphalerite is sought after by rare gemstone connoisseurs. Sphalerite is a zinc sulfide mineral with the chemical composition (Zn, Fe)S. It can be sourced from every continent but rarely makes […]