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The karambit or kerambit (as used in Indonesian), kurambik or karambiak (both from the Minangkabau language) is a small curved knife resembling a claw. It is most closely associated with the Minangkabau people of West Sumatra , Indonesia , but is also found throughout other ethnic groups in Southeast Asia .
A kris's aesthetic value covers the dhapur (the form and design of the blade, with around 60 variants), the pamor (the pattern of metal alloy decoration on the blade, with around 250 variants), and tangguh referring to the age and origin of a kris. [13] Depending on the quality and historical value of the kris, it can fetch thousands of dollars ...
This is a list of gemstones, organized by species and types. Minerals. There are over 300 types of minerals that have been used as gemstones. Such as: A–B
Dravite species such as green chromium dravite and brown dravite are diamagnetic. A handheld neodymium magnet can be used to identify or separate some types of tourmaline gems from others. For example, blue indicolite tourmaline is the only blue gemstone of any kind that will show a drag response when a neodymium magnet is applied.
Asterism on the surface of a blue star sapphire. A purple-pink star sapphire displaying asterism in a platinum ring.. An asterism (from Ancient Greek ἀστήρ (astḗr) 'star' and -ism) is a star-shaped concentration of light reflected or refracted from a gemstone.
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 best documented of the illumination tales is that of the King of Ceylon's luminous carbuncle or ruby, first mentioned by the Greek traveler Cosmas Indicopleustes in the 6th century and thereafter described by many travelers, the latest of the 17th century. According to Indicopleustes, it was "as large as a great pine-cone, fiery red, and ...
Females: The upper forewing has a yellow discal patch above the blue area. The upper hindwing blue area is small and reduced to discal quadrate spots in 3 and 4. The females resemble those of the common gem (P. hewitsoni) but with yellow spots on the upper hindwing. The males of the blue gem are bluer than the common gem which is greener. [4]