- 産業: Fashion
- Number of terms: 4881
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This gemstone is believed to reflect the colors of all other gemstones. Opal is the birthstone for October and the traditional gift for the 14th wedding anniversary.
Industry:Jewelry
The scale used to measure the degree to which a stone or mineral is resistant to scratches. Hardness is measured from 1-10, 10 (diamonds) being the hardest.
Industry:Jewelry
A mixture of two or more metals created to enhance the strength and/or appearance of a particular metal.
Industry:Jewelry
A fairly new metal in the jewelry industry often used for wedding bands. Tungsten is resistant to corrosion and four times harder than titanium.
Industry:Jewelry
The flat surfaces on a cut stone. The placement of facets determines how much light reflects through the stone.
Industry:Jewelry
The feature of a watch that denies water and moisture from penetrating inside its case. No watch is completely waterproof, but several can withstand rain and splashing. Water resistance is measured in ATMs (atmospheric pressure). This number is usually printed on the back of the case.
Industry:Jewelry
This setting is used when stones are attached to metal by strong glue adhesive, rather than prongs or other metal settings.
Industry:Jewelry
One of the 4Cs that measures the amount/absence of inclusions in and blemishes on a diamond. Clarity ranges from flawless to included/imperfect.
Industry:Jewelry
Attached to the watchband, this metal covering surrounds the bezel and dial of a watch and protects its internal parts from dirt and damage. Some cases are built to resist water from entering the watch.
Industry:Jewelry
A type of watch from Citizen that is powered by natural and artificial light, so it never needs a battery. Light enters through the crystal to a solar cell that converts it to energy.
Industry:Jewelry
