RARE VARISCITE NEVADA BLUE BOY  MINE  GREEN IN COLOR  HAS SPIDER WEBBING Variscite from Nevada typically contains black spiderwebbing in the matrix and is often confused with green turquoise

Variscite is sometimes used as a semi-precious stone, and is popular for carvings and ornamental use due to its beautiful and intense green color,

Variscite is a secondary mineral formed by direct deposition from phosphate-bearing water that has reacted with aluminium-rich rocks in a near-surface environment.^[5] It occurs as fine-grained masses in nodules, cavity fillings, and crusts. Variscite often contains white veins of the calcium aluminium phosphate mineral crandallite.