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Science & Nature

Duff Quarry has been known as one of Ohio’s richest mineral deposits, especially for Pyrite or Fool’s Gold as it is commonly known.

Mimas ~ Moon of Saturn ~ Crater of All That is "holey", Hollow be Thy Name!

Super Moon – Super Full Moon...A super full moon occurs when the moon’s closest approach to the Earth (lunar perigee) coincides with the phase of full moon. When this happens the moon may seem bigger and brighter. However, for the ordinary star-gazer there will be no significant difference.

NGC 300, Detail 1: Hubble's Advanced Camera for Surveys shows individual as well as clusters of stars in the spiral galaxy NGC 300, located approximately 7 mil...

Gorgeous gemmy ruby red Realgar clapsed by translucent Calcite scalenohedrons, from Jiepaiyu Mine, China

Ash (Fraxinus excelsior) cross section by Kew on Flickr, via Flickr

Liddicoatite The photo shows a slice from a single crystal of liddicoatite, a member of the tourmaline family. The color-zoning reveals the crystal's history. This particular crystal changed color as it grew. The pink portion of the liddicoatite formed when the solution feeding it was manganese rich. The green part grew when the solution became iron rich.

Pteridophyta dictyostele by jeffellom, via Flickr (fern rhizome cross section)

A new find of excellent single crystals of Tremolite from the dig-gings at Merelani Hills, Tanzania. The single well terminated crystal measuring to 3cm tall, displays a deeply striated somewhat bladed habit. Small cavities w/in the cry-stal display columnar crystals not unlike stalactites. A lovely green gemmy colour is seen concen-trated in the top half of the crystal, with a pastel green to the low section.

Sperm cells. It's a whole other world burning in your loins, fellas.

Semi-Precious Stone Meaning Mini-Guide - Earth Tone Favorites. Amethyst, Labradorite, Red GoldStone, Jasper, Moonstone, Jade, TigersEye