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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 hunt involves a search for twelve treasure boxes, the clues to which were provided in a book written by Preiss in 1982, also called The Secret. These boxes were buried at secret locations in cities across the United States and Canada that symbolically represent events and peoples that played significant roles in North American history ...
"Yogo sapphire" is the preferred term for gems found in the Yogo Gulch, whereas "Montana sapphire" generally refers to gems found in other Montana locations. [18] More gem-quality sapphires are produced in Montana than anywhere else in North America. [18] Montana sapphires come in a variety of colors, though rubies are rare. [16] [18] [23]
Best for gemstone jewelry: Shane Co. ... Blue Nile. Best for fine jewelry: James Allen. Best for USA-made jewelry: Allurez. Best for ... Shopping for fine jewelry to round out your jewelry box ...
De Beers is synonymous with diamonds, having coined the phrase “Diamonds are forever” back in 1947. However, the company’s own business in precious stones has been in jeopardy following ...
Bahia Emerald [2]; Carolina Emperor, [3] [4] 310 carats uncut, 64.8 carats cut; discovered in the United States in 2009, resides in the North Carolina Museum of Natural Sciences, Raleigh, NC, US
Fancy sapphires of various colours are also available. In the United States, blue sapphire tends to be the most popular and most affordable of the three major precious gemstones (emerald, ruby, and sapphire). Turquoise Turquoise is found in only a few places on Earth, and the world's largest turquoise-producing region is the southwest United ...
Inclusions can be found in these crystals that provide clues to the origins of the Herkimer diamonds. Found within the inclusions are solids, liquids (salt water or petroleum), gases (most often carbon dioxide), two- and three-phase inclusions, and negative (uniaxial) crystals. A black hydrocarbon is the most common solid inclusion.