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Macle is a term used in crystallography. It is a crystalline form, twin-crystal or double crystal (such as chiastolite). It is crystallographic twin according to the spinel twin law and is seen in octahedral crystals or minerals such as diamond and spinel. The twin law name comes from the fact that is commonly observed in the mineral spinel.
Macle is an old French word, a heraldic term for a voided lozenge (one diamond shape within another). Etymologically the word is derived from the Latin macula meaning spot, mesh, or hole.
Macle is a term used in crystallography. It is a crystalline form, twin-crystal or double crystal (such as chiastolite). It is crystallographic twin according...
Alain Macle (18 April 1944 – 21 March 2020) was a French ski jumper. He competed at the 1968 Winter Olympics and the 1972 Winter Olympics. "Monsieur Alain...
most often as euhedral or rounded octahedra and twinned octahedra known as macles. As diamond's crystal structure has a cubic arrangement of the atoms, they...
skilled lapidary, enhancement and further evaluation and sale. The art of macle, which is a form of rough diamond used to produce jewelry, was first developed...
Color Red Crystal habit Octahedral Twinning Spinel law common (yielding "macle") Cleavage 111 (perfect in four directions) Fracture Conchoidal (shell-like)...
skilled lapidary, enhancement, further evaluation, and sale. The art of macle, which is a form of rough diamond that is used to produce jewellery, was...
Deep Blue Crystal habit Octahedral Twinning Spinel law common (yielding "macle") Cleavage 111 (perfect in four directions) Fracture Conchoidal (shell-like)...
were the modern premieres of several of Eastman's early works, including Macle and Thruway. This project was the first retrospective produced in collaboration...
pulls plug on EU wine lake". The Guardian. Retrieved 14 February 2022. Macle, Diana; Frank, Mitch (6 July 2007). "Europe's Plan to Pull Up Vineyards...
The American Museum of Natural History. 2007. Retrieved 9 February 2012. Macle, Adam (22 January 2017). "10 Largest Frogs and Toads in the World". Gone...
cut other than a round brilliant). This is especially true in the case of macle, which are flattened twin octahedron crystals. Round brilliants have certain...
inclusion or a notch. Wikimedia Commons has media related to Twinned crystals. Macle Tin cry Icosahedral twins Slip bands Slip (materials science) Nesse, William...
Hachette, 2009, 1402 pages, p. 669, Tasting of Château-Chalon at the winery of Macle 2000, ISBN 978-2-01-237514-7 (in French) Chardonnay Archived 2008-11-21...
octahedral (eight-sided bipyramid), cubic, and triangular (most commonly macles). A raw diamond or rough diamond can also be a type of diamond that is not...
2011.{{cite web}}: CS1 maint: bot: original URL status unknown (link). macles.blogspot.com (19 April 2010). Spurbeck, Jared (3 January 2013). "Acer and...
deep pink Crystal habit Octahedral Twinning Spinel law common (yielding "macle") Cleavage 111 (perfect in four directions) Fracture Conchoidal (shell-like)...
Caribbean. He died in Curaçao in 1862. Lorenzo Hernández-Tabares, Jorge Macle-Cruz, Olga López-Núñez y Migda R. Estévez-Estévez. Cafetal Angerona: un...
ISSN 0803-5253. PMID 15432173. Friedel, Georges (1933). "Sur un nouveau type de macles". Bulletin de la Société française de Minéralogie. 56 (4): 262–274. doi:10...
PMID 32327670. AmphibiaWeb: Calyptocephalella gayi. Retrieved 21 March 2015. Macle, Adam (January 22, 2017). "10 Largest Frogs and Toads in the World". Gone...
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