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^ Florida's state gem, moonstone, was adopted to highlight Florida's role in the United States' Lunar program, which landed the first astronauts on the Moon. [81] ^ Since 1983, Massachusetts has had 3 other official state rocks: State Historical Rock (Plymouth Rock), State Explorer Rock (Dighton Rock), and State Building and Monument Stone . In ...
The Meridian Boundary Fire burned 8,586 acres near Grayling, Michigan in 2010.. The U.S. state of Michigan has been the site of several major wildfires.The worst of these were in the lumbering era of the late-1800s when lumbering practices permitted the buildup of large slash piles and altered forest growth patterns which may have contributed to size of the wildfires.
Gemstone. Group of precious and semiprecious stones—both uncut and faceted—including ( clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or ...
The Gemological Institute of America ( GIA) is a nonprofit institute based in Carlsbad, California. It is dedicated to research and education in the field of gemology and the jewelry arts. [ 1] Founded in 1931, GIA's mission is to protect buyers and sellers of gemstones by setting and maintaining the standards used to evaluate gemstone quality.
Jet (gemstone) Jet is a type of lignite, [ 1] the lowest rank of coal, and is a gemstone. Unlike many gemstones, jet is not a mineral, but is rather a mineraloid. [ 2] It is derived from wood that has changed under extreme pressure. The English noun jet derives from the French word for the same material, jaiet (modern French jais ), ultimately ...
The first theme is using legendary luminous gems to illuminate buildings, for navigation lights on ships, or sometimes as guiding lights for lost persons (Ball 1938: 498–500). In India, the earliest country in which fine gemstones were known, belief in luminous gems dates back some twenty-five centuries.
Charles Lewis Tiffany (left) in his store, about 1887. Tiffany was born on February 15, 1812, in Killingly, Connecticut, the son of Chloe (Draper) and Comfort Tiffany. [2] Tiffany was educated at a district school and an academy in Plainfield, Connecticut. Starting at the age of fifteen, he helped manage a small general store founded by his ...
List of California wildfires. Santa Ana winds in California expand fires and spread smoke over hundreds of miles, as in this October 2007 satellite image. The Rim Fire consumed more than 250,000 acres (100,000 ha) of forest near Yosemite National Park, in 2013. This is a partial and incomplete list of California wildfires.