A relatively new production of red corundum, reportedly from Bangkok, has been offered for sale in recent years. Although the producers claimed that these stones were red diffusion-treated corundum (i ...

Using corundum as the reference material also facilitates analysis and preparation of ... Figure 2 shows the results obtained for a mineral mix Figure 1. FULLPAT analysis of a sample containing ...

Tanzanite – The mineral zoisite, which includes the gem variety known as tanzanite ... pink and red diamonds (often combined with a secondary step of heating, to achieve certain colors). Corundum – ...

Capricorn birthstone brings grounding energy, success, and balance. Discover its meaning, healing properties, and how it ...

India is now formally a part of the Minerals Security Finance Network, a US-led initiative aiming to strengthen cooperation among members to secure supply chains for critical minerals. The ...

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Oct. 9, 2024 — Scientists have long wondered why animals get the DNA inside their mitochondria, the cell's energy center, only from their mothers. New research explains why and offers hope for ...

Did you know that rubies and sapphires are essentially the same stone? Both popular precious gemstones are varieties of the mineral corundum, with the presence of chromium being what gives rubies ...