Resultado de búsqueda
Discover impactful Journals, Books & Case Studies from Emerald Publishing on Emerald Insight.
- Books and Journals
Books and journals
- Publication Sitemap
Emerald Studies in Gender, Sexuality and Education; Emerald...
- Open Access
Open Access | Emerald Insight ... Open Access
- Policies and Information
If you are an EEA based Emerald corporate customer, as of 1...
- Expert Briefings
About Oxford Analytica. OXAN is an independent geopolitical...
- Accessibility
Emerald Publishing's commitment to Accessibility
- Books and Journals
Emerald is a gemstone and a variety of the mineral beryl (Be 3 Al 2 (SiO 3) 6) colored green by trace amounts of chromium or sometimes vanadium. [2] Beryl has a hardness of 7.5–8 on the Mohs scale. [2] Most emeralds have many inclusions, [3] so their toughness (resistance to breakage) is classified as generally poor. Emerald is a cyclosilicate.
Learn about emerald, the bluish green to green variety of beryl, a mineral species that includes aquamarine. Find out about its history, lore, quality factors, treatments, synthetics, and more.
Learn about the history, value, and quality of emeralds, the green beryl gemstones that are among the traditional "Big Four" gems. Find out how color, clarity, origin, and treatment affect emerald prices and see stunning photos of emerald jewelry.
Learn about emerald, the bright green gem of the beryl mineral family and the May birthstone. Find out how to identify, value, and care for emeralds, and explore their geologic and cultural history.
19 de jul. de 2024 · Emerald is a green variety of beryl that is highly valued as a gemstone. Learn about its origin, properties, uses, and how it is synthesized in the laboratory.
Learn about emeralds, the green gemstones formed from beryl with chromium, vanadium and iron. Discover their origins, meanings, prices and famous examples.
