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Molecular Expressions: The Birthstone Collection - Opal
Photograph of Opal under the microscope- Opal is the birthstone for October and the zodiac sign Libra. Blonde women wore opal necklaces to protect their hair from losing its color. Queen Victoria loved opals and gave them quite often as wedding presents.
Microscopic cross-section photo of layers of paint is more spectacular than we ever would have imagined
Natasha K. Loeblich of the Architectural Research Department of the Colonial Williamsburg Foundation photographed a cross-section of the wall paints on an 18th-century theater at 100 times magnification
Pine Needle Pine is the common name for species belonging to the genus Pinus, a member of the family Pinaceae, resinous trees with needle-like leaves. Consisting of about 262 species, this is the largest family of conifers and includes fir, larch, spruce, hemlock, cedar and Douglas fir. (Source: microscopyu.com)