Quartz SPIRIT QUARTZ, small spirit quartz points - 1/2-pound Sphere:Lot D The blue is caused by

The blue is caused by other minerals combining with the quartz

The largest two size groups of specimens are sold by the individual fossil

so the title of this listing is actually incorrect

ORIGIN:  Argentina

RHODOCHROSITE

Quartz SPIRIT QUARTZ, small spirit quartz points - 1/2-pound Sphere:Lot D The blue is caused bySPIRIT QUARTZ This comparatively rare and fascinating formation of quartz crystals is found only in South Africa. It goes by a number of different names (Cactus Quartz, Pineapple Quartz, Spirit Crystals, and more) but it is essentially a quartz crystal or formation of quartz crystals covered to some extent by tiny druzy quartz crystals. It is found in colors of light pink or purple to clear and sometimes the crystals are citrine or smoky quartz. These