Types of Quartz Crystals: Grey, Blue, and Yellow Varieties Explained #3245783 (License: Personal Use)

This illustration showcases three prominent quartz crystal varieties: grey quartz with its translucent, cloudy appearance; blue quartz featuring a rich teal hue and prominent prismatic form; and yellow quartz displaying a bright, faceted citrine-like structure. Each specimen is rendered with accurate crystallographic geometry, emphasizing natural growth patterns and color variations due to trace mineral inclusions or irradiation.

Used on educational geology websites, crystal healing blogs, or mineral identification guides; serves users seeking visual reference for quartz classification, gemstone selection, or academic study.