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Terms for subject Jewelry (567 entries)
Mohs scale of hardness The measure of a mineral's hardness in relation to other minerals, based on its ability to resist scratching
moissanite A man-made gemstone that closely resembles a diamond. It is only slightly less hard and can mimic almost all of the diamond's other qualities.
momme Japanese weight measurement used for pearls. One momme equals 3.75 grams, or 18.75 carats.
monochromatic A term that refers to color. Monochromatic tones mean that the colors, while a different shade, are from the same hue.
montana sapphire A sapphire found along Rock Creek, Dry Cottonwood Creek, and the Missouri River that are carried by flowing water and found as secondary deposits.
morganite Also known as pink beryl, rose beryl, pink emerald, and cesian beryl, this light pink to rose colored gemstone was named for financier and gem aficionado J.P. Morgan. Morganite can also be found in orange and yelow varieties and turns a deeper shade of p
mourning jewelry Jewelry worn during the 17th century in memory of the deceased. These commemorative pieces often featured amethyst, pearl, or diamond accents and were usually made from an affordable material like jet or black glass. The pieces featured sentimental scene
multi circle ring A ring design wherein the metal or gemstones create a pattern with multiple circles.
multicolored Used to describe a single crystal made of different coloured parts.
multistrand Refers to a piece of jewelry - commonly a necklace, bracelet, or pair of earrings - that features a grouping of strands that come together as one. The strands within can be a combination of different types of gold and other metals or all the same kind.
mystic fire topaz Designer gemstone created by by Azotic Coating Technology Inc. The gemstone is created by applying a tiny layer of titanium to the underside of a natural white topaz. The light passing through the natural gemstone and the thin layer of titanium creates a
nacre The usually whitish crystalline substance which the mollusc secretes around a foreign "intruder" and which forms what we know as the pearl. Layers build up over time.
Nassak diamond 43.38 carats, was originally over 90 carats and in a Temple of Shiva near Nassak, in India. It was looted in 1818 by the English, then re-cut in New York in 1927. Today it is held in a private collection somewhere in the United States.
neckline The location on or below the neck on the decollete where a necklace or pendant can be seen.
needle point cut A gemstone cut wherein the stone is shaped like a needle at both ends.
nest A term that refers to the way a necklace hangs on the neck.
nickel A hard, silver-white metal in the iron group that is malleable, ductile and resistant to corrosion.
noble metal A noble metal is a metal that will endure as they are resistant to corrosion or oxidation. Gold, platinum, rhodium, palladium, iridium, osmium, and ruthenium metals are generally categorized as noble metals.
octagon bangle A bangle that has eight solid sides, no hinges, and usually no closure.
oiling The reprehensible practice of oiling in which a jeweler or seller applies oil to a gemstone to mask inclusions and enhance color.