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This inspiring book features stylish and quirky illustrations and extra facts at the back
This makes Fluorite an excellent collector piece as you build your “Fluorite Passport” with specimens from around the world
have speeded up the pace of climate change and are increasing the amount of global warming
Quartz is one of the most abundant minerals in the Earth's crust and comes in a wide variety of colors
Moon Art Glass Paperweight Rings This inspiring book features stylishGlass Eye Studios in Seattle, Washington hand blows their astronomy paperweights using dichroic glass and ash from the 1980 eruption of Mt. St. Helens. Dichroic glass is an optical metallic oxide glass developed by NASA to protect sensitive equipment from cosmic radiation and to protect astronauts from harmful unfiltered sunlight while in space. Extremely thin layers of metal are vacuum deposited on glass and the layers permit some light and color