Search results
Results From The WOW.Com Content Network
Moonstone cabochon. The most common moonstone is of the orthoclase feldspar mineral adularia, named for an early mining site near Mt. Adular in Switzerland, now the town of St. Gotthard. [1] [better source needed] A solid solution of the plagioclase feldspar oligoclase +/− the potassium feldspar orthoclase also produces moonstone specimens.
Olivine basalt collected from the rim of Hadley Rille by the crew of Apollo 15. Moon rock or lunar rock is rock originating from Earth's Moon.This includes lunar material collected during the course of human exploration of the Moon, and rock that has been ejected naturally from the Moon's surface and landed on Earth as meteorites.
Moonstone, one of June's modern birthstones, can appear to be almost clear at times, but is "prized for its blue to white adularescence," according to the International Gem Society.
While the Apollo 17 Goodwill Moon rock presented to Cyprus was recovered, the Apollo 11 rock given to the country remains missing. [8]In his June 26, 2011 Op/Ed appearing in the Cyprus Mail entitled "Houston we have a problem: we didn't give Cyprus its moon rock", Joseph Gutheinz revealed that after NASA recovered the Cyprus Apollo 17 Goodwill Moon Rock over a year ago they failed to give the ...
Mogok and other villages nearby, especially Kyatpyin have been famous since ancient times for its gemstones, especially ruby and sapphire, but semi-precious stones such as spinel, lapis lazuli, garnet, moonstone, peridot and chrysoberyl are also found. The gems are found in alluvial marble gravels by means of panning, tunneling and digging pits ...
Between 640 and 720 million years ago, the Earth was covered in ice, snagging it the modern nickname “Snowball Earth.” Recently, researchers found a rock formation that shows the transition ...
The optical effect of adularescence in moonstone is typically due to adularia. [7] The largest documented single crystal of orthoclase was found in the Ural Mountains in Russia. It measured around 10 m × 10 m × 0.4 m (33 ft × 33 ft × 1 ft) and weighed around 100 tonnes (110 short tons). [8]
Archaeologists have unearthed a hidden tomb containing the remains of 12 ancient skeletons at the historic site that served as one of the filming locations for the 1989 blockbuster "Indiana Jones ...