What is gem material?

What is gem explain?

1a : jewel. b : a precious or sometimes semiprecious stone cut and polished for ornament. 2a : something prized especially for great beauty or perfection.

What is a gem quality?

quality, it means the overall appearance of the stone – cut, clarity, color. and carat.

Is a diamond a gem?

One of the most significant differences between diamonds and other gemstones sits within the formation of a diamond. Diamonds are the only gem formed from a single element – highly pressurised carbon. All other gems are compounds of two or more elements.

What is gem and how it works?

GeM is a short form of one stop Government e-Market Place hosted by DGS&D where common user goods and services can be procured. GeM is dynamic, self sustaining and user friendly portal for making procurement by Government officers. … The portal was launched on 9th August 2016 by the Commerce & Industry Minister.

What is the purpose of gem?

GeM aims to enhance transparency, efficiency and speed in public procurement. It provides the tools of e-bidding, reverse e-auction and demand aggregation to help governments achieve the best value for their money and hence, use taxpayers’ money efficiently.

Is gold a gem?

Precious Metal – A classification of metals that are considered to be rare and/or have a high economic value. … Precious metals include: gold, silver, platinum, and palladium. Precious Gemstone – Only four gemstones in the world are classified as precious gemstones: emeralds, rubies, sapphires and diamonds.

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What are the 7 gems?

Strictly speaking the precious stones are only seven in number—the diamond, the pearl, the ruby, the sapphire, the emerald, the oriental catseye, and the alexandrite; but to these are often added the so-called semi-precious stones—such as the amethyst, the topaz, the tourmaline, the aquamarine, the chrysoprase, the …