Titan and Triton.. Neptune’s and Saturn’s moons
Awesome risk charts from Smart Sex Resource
Many std/stis are easily treatable and some are asymptomatic, so have your health check often.
Please keep your safety in mind always <3
Ancient Egyptian protective amulet in the shape of the Udjat-eye (also known as the Horus-eye), made of glass and polychrome faience. Artist unknown; ca. 945-525 BCE (Third Intermediate Period or Late Period). Now in the Walters Art Museum, Baltimore. Photo credit: Walters Art Museum.
Hedyphane
Varying from white to yellowish with occasional reddish or green specimens, it was named after its discovery in Sweden in 1830 from the Greek words for ‘appearing beautiful’. It is a rare critter, only forming in manganese or zinc ore deposits that have been metamorphosed by heat and pressure deep within the crust, or when intruding granites bake the surrounding rock. It is a part of the apatite group (see http://bit.ly/2akYWkg)and includes lead and calcium combined with arsenic and oxygen in its composition, being an analogue of another pretty mineral called mimetite (see http://on.fb.me/1zo1vvI).
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One Yowah nut, bisected
One of many opal mining sites in the red continent is called Yowah, and is famous for its opal nuts, veins of precious glowing opal within nodules of siliceous ironstone that often form amazing patterns. They vary from 0.5 to 20 cm across, and occur in an iron rich sandstone, near the border with an adjoining mudstone.
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