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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 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 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 Natural History Museum of Los Angeles County's latest jewelry show is one of the most spectacular precious stone exhibitions you're likely to see.
Isle Royale is a National Park, and so it is illegal to collect specimens there. It is difficult to identify an unpolished pebble of chlorastrolite. Most gem quality chlorastrolite stones are very small, and it is rare to find one that is larger than a half inch. The largest gem quality stone is in the Smithsonian Museum and measures 1.5 by 3 ...
2, with royal blue varieties widely used as an ornamental gemstone. Although massive sodalite samples are opaque, crystals are usually transparent to translucent. Sodalite is a member of the sodalite group with hauyne, nosean, lazurite and tugtupite. The people of the Caral culture traded for sodalite from the Collao altiplano. [6]