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In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...
The Ring of Fire is a vast, mineral-rich region located in the remote James Bay Lowlands of Northern Ontario, Canada. [1] Spanning approximately 5,000 square kilometres (1,900 sq mi), the area is rich in chromite, nickel, copper, platinum group elements, gold, zinc, and other valuable minerals.
The aforementioned gem-quality occurrences of Pamir and Taymyr were discovered only recently: the former in the early 1980s, and the latter in 2000. These deposits are scarce and only sporadically mined, so clinohumite remains one of the rarest gemstones with only a few thousand carats known to exist in private collections.
Responsibility for it was transferred from the California Department of Conservation to the California Department of Parks & Recreation in 1999. It is the only California State Park without associated land. The international collection holds over 13,000 minerals, rocks, gems, fossils, and historic artifacts.
The Bancroft Rockhound Gemboree is a four-day event in Bancroft, Ontario where mineral collectors and vendors meet to trade rocks and minerals. It has been occurring annually since 1963. It has been occurring annually since 1963.
The Mountain Pass Rare Earth Mine and Processing Facility, owned by MP Materials, is an open-pit mine of rare-earth elements on the south flank of the Clark Mountain Range in California, 53 miles (85 km) southwest of Las Vegas, Nevada. In 2020 the mine supplied 15.8% of the world's rare-earth production.
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
The Cambodian 'sunset' ruby is 50 times more rare than a diamond, and there has been no significant raw gem discovery in the last 20 years. A flawless sunset ruby the size of a fingernail can ...