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Congo boart
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
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Congos, английский
- Originally and commonly used as a name for a variety of diamonds found in the belgian congo diamond district in africa and more recently as a descriptive term applied to all diamonds having the appearance and characteristics of those produced in the belgian congo. congos are white to gray-green and yellow, drusy-surfaced, opaque-to-somewhat-translucent diamonds, having shapes corresponding to the many forms characteristic of the isometric (cubic) crystal system. at one time, congos were considered fit only for use in fragmented form, but a considerable number are now used as toolstones and drill diamonds. see diamond.
- Sometimes designates drill diamonds ranging from 1 to 8 stones per carat in size.
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Boart, английский
Boartz, английский
Congo, английский
Гос-во конго,
Congo bort, английский
Congos used industrially as bort. see bort, congos.
Congo diamond, английский
Congos
Congo rounds, английский
Spherical- or near-spherical-shaped congos. see congos.
Congo, democratic republic of the, английский
French (official), lingala (a lingua franca trade language), kingwana (a dialect of kiswahili or swahili), kikongo, tshiluba
Congo, republic of the, английский
French (official), lingala and monokutuba (lingua franca trade languages), many local languages and dialects (of which kikongo is the most widespread)
Congobort, английский
Congos, английский
- Originally and commonly used as a name for a variety of diamonds found in the belgian congo diamond district in africa and more recently as a descriptive term applied to all diamonds having the appearance and characteristics of those produced in the belgian congo. congos are white to gray-green and yellow, drusy-surfaced, opaque-to-somewhat-translucent diamonds, having shapes corresponding to the many forms characteristic of the isometric (cubic) crystal system. at one time, congos were considered fit only for use in fragmented form, but a considerable number are now used as toolstones and drill diamonds. see diamond.
- Sometimes designates drill diamonds ranging from 1 to 8 stones per carat in size.
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Congos, английский
- Originally and commonly used as a name for a variety of diamonds found in the belgian congo diamond district in africa and more recently as a descriptive term applied to all diamonds having the appearance and characteristics of those produced in the belgian congo. congos are white to gray-green and yellow, drusy-surfaced, opaque-to-somewhat-translucent diamonds, having shapes corresponding to the many forms characteristic of the isometric (cubic) crystal system. at one time, congos were considered fit only for use in fragmented form, but a considerable number are now used as toolstones and drill diamonds. see diamond.
- Sometimes designates drill diamonds ranging from 1 to 8 stones per carat in size.
Congobort, английский
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