首页 > Blossary: Gemstones
A blossary on different jewels, gems and gemstones.

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21 词条

Created by: Silentchapel

Number of Blossarys: 95

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Diamond is renowned as a material with superlative physical qualities, most of which originate from the strong covalent bonding between its atoms. In particular, diamond has the highest hardness and ...

Domain: Jewelry; 分类: Gemstones

Emerald is a gemstone, and a variety of the mineral beryl, colored green by trace amounts of chromium and sometimes vanadium. Beryl has a hardness of 7.5–8 on the 10-point Mohs scale of mineral ...

Domain: Jewelry; 分类: Gemstones

Jasper, a form of chalcedony, is an opaque, impure variety of silica, usually red, yellow, brown or green in color; and rarely blue. The common red color is due to iron(III) inclusions in what is ...

Domain: Jewelry; 分类: Gemstones

Malachite is a copper carbonate hydroxide mineral. This opaque, green banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses, in ...

Domain: Jewelry; 分类: Gemstones

Moonstone is a sodium potassium aluminium silicate. Its name is derived from a visual effect, or sheen, caused by light diffraction within a microstructure consisting of a regular succession of ...

Domain: Jewelry; 分类: Gemstones

Opal is a hydrated amorphous form of silica; its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Because of its amorphous character it is classed as a mineraloid, ...

Domain: Jewelry; 分类: Gemstones

Peridot is one of the few gemstones that occur in only one color, an olive green. The intensity and tint of the green, however, depends on how much iron is contained in the crystal structure, so the ...

Domain: Jewelry; 分类: Gemstones

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