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CHEMICAL COMPOSITION OF GEMSTONES

May 2, 2018

The colours of Gemstones – Precious Stones are affected by differences in chemical and atomic structure, leading to the absorption of the different wavelengths of light. Their hardness is measured on the Mohs scales, which runs from 1-10. The colour chemistry of following gemstones is described in following infographic. Alexandrite, Amethyst, Aquamarine, Diamond, Emerald, Garnet, Opal, Pearl, Peridot, Ruby, Sapphire, Spinel, Topaz, Tourmaline, Turquoise and Zircon.

Spotlight

Special Materials Company

Special Materials Company (SMC) is a $175 Million specialty chemical company involved in phosphorus derivatives, oilfield chemicals, paper chemicals, photographic chemicals, and products for the paints and coatings industry. SMC has interests in two manufacturing sites in China and one in the US. Has offices in China, Switzerland, and Latin America

Other Infographics

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Infographic | December 28, 2019

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Covalent and non-covalent chemistry of 2D black phosphorus

Infographic | June 1, 2022

2D black phosphorous is an emerging material with a fascinating structure and outstanding electronic properties that holds potential for many applications.

One-Day Recycling Depot

Infographic | June 1, 2022

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Infographic | December 26, 2019

The global specialty chemicals industry stood at almost $600 billion in 2018. Specialty polymers, industrial and institutional cleaners, electronic chemicals, surfactants, and flavors and fragrances were the largest sectors. Specialty chemicals are consumed in a wide variety of end use industries and growth is very much dependent on the health of the economy.

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Infographic | January 17, 2020

Global petrochemical market was valued at around USD 621.1 billion in 2018 and is expected to grow with a GAGS of over 8.0% during the forecast period 2019-2025. Increasing use of polymers In the packaging and automotive industries Extensive use of methanol in various end-use industries Increasing paints &coatings demand Easy aye/lability of raw material from the addle East.

U.S. Chemical Weapons Elimination Program's Key Successes

Infographic | February 28, 2020

The Centers for Disease Control and Prevention (CDC) oversees the U.S. chemical weapons elimination program. We've worked for over 30 years to keep Americans safe from dangerous chemicals in warfare materials by monitoring the process for safely destroying them and making sure workers and nearby communities stay safe and healthy.

CHEMICAL COMPOSITION OF GEMSTONES