Blue Chalcedony - Aurangabad, India #16 Location_Turkey Blue John is a variety

Blue John is a variety of Fluorite that was highly popular with the Victorians

Girasol Quartz is a milky

Salt was so important in history that some cultures even used it as currency and it was a valuable trade commodity

- Improving courage

This rare Libethenite specimen is from the Miguel Vacas Mine in Portugal

Blue Chalcedony - Aurangabad, India #16 Location_Turkey Blue John is a varietyThese incredible specimens of intricate coral like Blue Chalcedony are from Aurangabad, Maharastra, India, and some even feature white sprays of Mordenite! You will receive the exact Blue Chalcedony crystal pictured. Blue Chalcedony is a variety of Chalcedony, a microcrystalline Quartz. The blue colour is believed to be caused not by an inclusion within the crystal, but rather by the Tyndall effect, a light scattering phenomena. When lit from behind,