Tag Archive: geology


A collection of yummy crystal spheres from Om Crystals.

Natural hot springs in Oregon’s Unpqua National Park by Brayden Hall Media.

While it is familiar to us as our home, the Earth is apparently anything but your everyday planet. That is why we are habituated to Earth as our home in the universe; but in fact, this planet is the definition of exotic. In this account, we look at the most bizarre aspects of the Earth’s physical geography that may appear to defy natural order or human logic.

Extremely rare sulfur-rich blue-violet lava flowing from the Kawah Ijen Volcano in Indonesia.

Extremely rare sulfur-rich blue-violet lava flowing from the Kawah Ijen Volcano in Indonesia.

Extremely rare sulfur-rich blue-violet lava flowing from the Kawah Ijen Volcano in Indonesia.

A translucent green ocean jasper cabochon with floating orbs by Ocean Jasper Collectors.

Can you GROW an Opal?

Unlike other gems which are solid crystals, opal is made of silica nanoparticles which have to be stacked together in just the right way to produce their magnificent colors. By growing silica nanoparticles of the right size, synthetic opal can be grown. How realistic it looks is another question, though.

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