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Star of India. 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.
On October 29, 1964, the DeLong star ruby was one of a number of precious gems stolen in a notorious jewelry heist by Jack Roland Murphy and two accomplices. In January 1965, nine of the stolen gems, including the Star of India and the Midnight Star, were recovered in a bus depot locker; however, the DeLong ruby was not among them. [2]
The star-effect may be also caused by the inclusions of hematite. In black star sapphire hematite needles formed parallel to the faces of the second order prism produce asterism. Some star sapphires from Thailand contain both hematite and rutile needles forming a 12-ray star. [3] Star-stones were formerly regarded with much superstition. [1]
Tinkercad is a free-of-charge, online 3D modeling program that runs in a web browser. [1] Since it became available in 2011 it has become a popular platform for creating models for 3D printing as well as an entry-level introduction to constructive solid geometry in schools.
On August 31, 2014, Cura was included in a review of 3D slicing software by Think3DPrint3D. [24] In the summer of 2015, Ultimaker released Cura 2.0. [25] [26] [27] On January 1, 2018, All3DP named Cura one of the best 3D slicer software tools. [8] In 2019, Cura was named one of the top free 3D printing tools by the industry blog, G2. [28]
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On this week's overreaction pod, Dan Wetzel Ross Dellenger and SI's Pat Forde acknowledge what led to home teams handedly winning each matchup. They cover how offensive line and defensive line ...
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