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A moissanite engagement ring Moissanite: emerald cut. Moissanite was introduced to the jewelry market as a diamond alternative in 1998 after Charles & Colvard (formerly known as C3 Inc.) received patents to create and market lab-grown silicon carbide gemstones, becoming the first firm to do so. By 2018 all patents on the original process world ...
Jade Cove. Jade Cove is located in the southern area of Big Sur on the California central coast. [1] It contains the only concentrated underwater deposit of quality nephrite jade in the world. [2] Individuals are permitted to collect as much jade as they can personally carry using hand tools up to 90 feet (27 m) deep offshore.
The Salinan and Chumash tribes consider Morro Rock to be a sacred site. The Salinan name for Morro Rock is Le'samo and the Chumash name is Lisamu. [10]The Chumash had an important nearby prehistoric settlement at least as early as the Millingstone Horizon (6500-2000 B.C.E.), and the village was near the mouth of Morro Creek, at the current site of Morro Bay High School.
Monazite is a primarily reddish-brown phosphate mineral that contains rare-earth elements. Due to variability in composition, monazite is considered a group of minerals. [3] The most common species of the group is monazite- (Ce), that is, the cerium-dominant member of the group. [4] It occurs usually in small isolated crystals.
The garnet family is one of the most complex in the gem world. It is not a single species, but is composed of multiple species and varieties. [54] It is the state mineral of Connecticut, [55] New York's gemstone, [56] and star garnet (garnet with rutile asterisms) is the state gemstone of Idaho. [57]
As a gemstone used in jewelry, silicon carbide is called "synthetic moissanite" or just "moissanite" after the mineral name. Moissanite is similar to diamond in several important respects: it is transparent and hard (9–9.5 on the Mohs scale , compared to 10 for diamond), with a refractive index between 2.65 and 2.69 (compared to 2.42 for ...
Vesuvianite. Vesuvianite, also known as idocrase, is a green, brown, yellow, or blue silicate mineral. Vesuvianite occurs as tetragonal crystals in skarn deposits and limestones that have been subjected to contact metamorphism. [3] It was first discovered within included blocks or adjacent to lavas on Mount Vesuvius, hence its name.
Pfeiffer Big Sur State Park is a state park in Monterey County, California, near the area of Big Sur on the state's Central Coast. It covers approximately 1,006 acres (4.07 km 2) of land. The park is centered on the Big Sur River. It has been nicknamed a "mini Yosemite." [1]