Home arrow Home arrow Macquarie River Mafeking Magna Cut (trademark) Mahalaxmi Diamond-Mining Works
Macquarie River Mafeking Magna Cut (trademark) Mahalaxmi Diamond-Mining Works PDF Print E-mail
Written by Administrator   
Friday, 21 September 2007

Macquarie River. One of the princi­pal diamond-producing localities in New South Wales, Australia. See Aus­tralia.

made. A term used to refer to a fashioned diamond when describing the quality of its cutting, as in well made or poorly made. See make, poorly made, well made.

Mafeking. A town in Cape Province, Republic of South Africa, and the lo­cation of minor alluvial diamond diggings.

mafic. (1) A mnemonic adjective re­lating to dark-colored rock-forming silicate minerals rich in magnesium and iron, such as olivine, am-phiboles, pyroxenes, and biotite. (2) Applied to dark-colored igneous rocks composed predominantly of ferromagnesian rock-forming sili­cates, e.g. gabbro. (3) synonym for basic; a misleading and undesirable term used for dark-colored igneous rocks. See igneous rock; ultramafiq basic igneous rock.

Magalux. Trade name for synthetic spinel.

Magna cut

Magna Cut (trademark). A rarely used modification of the standard brilliant cut. It has 60 facets and a table on the crown and 40 facets and a culet on the pavilion. Its symmetry is tenfold (decagonal), instead of eightfold (octagonal), as in the 58-facet brilliant. The four-sided bezel facets of the latter are each replaced by two triangular facets, and an addi­tional break facet is placed between every pair of break facets, resulting in 10 star facets, 20 bezel facets, 30 upper-girdle facets, 30 lower-girdle facets, and 10 pavilion facets.

magnifier. Any optical instrument or device that magnifies. See loupe, mi­croscope, GEMOLITE, DIAMONDSCOPE, HEAD MAGNIFIER.

Mahalaxmi diamond-Mining Works.

A diamond-mining company in the Panna district, Madhya Pradesh, In­dia. See india.

Mahanadi River. A river in India, about 600 miles northeast of the Golconda group, on which early diamond mines were located.

Mahomet IV diamond. A legendary stone of 24 carats. Found in Constan­tinople on a heap of rubbish by a poor man during the reign of Ma­homet IV (1648-87). The finder sold the stone for a pittance, but it was later seized by the Grand Vizier and added to the Imperial Treasures. It adorned the Imperial Plume of the Sultan of Turkey on parade days. Present-day ownership denied by Topkapi Muzesi Mudurlugu, where Turkish Regalia is kept. Alternate spelling: Mohammed IV diamond.

Last Updated ( Friday, 21 September 2007 )
< Prev   Next >

Login Form

Lost Password?
No account yet? Register


diamond engagement rings
buy jewelry online now
romantic advice gifts
romantic gifts
jewelry Diamonds info
getting Diamonds
engagement jewelry Diamond Rings
diamond and education
gemology info on Diamonds
sparkly Diamonds
diamond faculty online
jewelry stones
World Jewel