GuidePhosphophyllitePhosphophyllite: rare sea-green to mint-blue crystals with glassy luster; fragile (hardness 3.5, perfect cleavage), prized Bolivian specimens and micromounts.Read guide
GuidePhosphophyllite from Cerro de Potosí, BoliviaCerro de Potosí phosphophyllite, Bolivian locality famed for intense sea-green, transparent crystals, classic butterfly twin, old provenance, and rarity.Read guide