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Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide (α- Al 2 O 3) with trace amounts of elements such as iron, titanium, cobalt, lead, chromium, vanadium, magnesium, boron, and silicon. The name sapphire is derived from the Latin word sapphirus, itself from the Greek word sappheiros (σάπφειρος), which referred to lapis lazuli. [2] It is ...
Star of India (gem) The Star of India is a 563.35- carat (112.67 g) star sapphire, one of the largest such gems in the world. [1][a] It is almost flawless and is unusual in that it has stars on both sides of the stone. The greyish-blue gem was mined in Sri Lanka [3] and is housed in the American Museum of Natural History in New York City.
Sapphires are a precious gemstone, a variety of the mineral corundum, consisting of aluminum oxide (α- Al 2 O 3) with trace amounts of elements such as iron, titanium, chromium, copper, or magnesium. It is typically blue, but natural "fancy" sapphires also occur in yellow, purple, orange, and green colors; "parti sapphires" show two or more colors. The only color corundum stone that the term ...
Angry black woman. The angry black woman stereotype is a racial stereotype of Black American women as pugnacious, poorly mannered, and aggressive. [1] Among stereotypes of groups within the United States, the angry black woman stereotype is less studied by researchers than the Mammy and Jezebel archetypes. [2][3] Carolyn West categorizes the ...
West York Area School District is a midsized, suburban public school district located in York County in South Central Pennsylvania, United States. The West York Area School District includes West York Borough and West Manchester Township.
The Las Vegas club is located in Winchester, Nevada, United States, a part of the Las Vegas Valley. The 71,000 sq ft (6,600 m 2) enterprise includes 10 VIP sky boxes and three lounges, and is billed as the world's largest nightclub. It was sold in 2006 for US$80 million in an auction to one of the two former part-owners.
The Star of Adam is an oval-shaped blue star sapphire, currently the largest star sapphire in the world. [1][2][3] It weighs 1,404.49 carats (280.898 g; 9.9084 oz). [4] Prior to its discovery in 2015, the Black Star of Queensland, weighing 733 carats (146.6 g), was the largest star sapphire gem in the world. [5]
"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. More gem-quality sapphires are produced in Montana than anywhere else in North America. Sapphires were first discovered in Montana in 1865, in alluvium along the Missouri River. Finds in other locations in the western half of the state ...