Tags Minerals

Tag: Minerals

What Is Sea Glass?

What Is Sea Glass? Sea glass and beach glass are similar but come from two different types of water. "Sea glass" is physically and chemically...

What is the Difference Between a Mineral and a Mineraloid?

What is Mineral? A mineral is a naturally occurring chemical compound, usually of crystalline form and abiogenic in origin (not produced by life processes). A...

Large Yellow Rough Diamond unearthed

ALROSA’s affiliate Almazy Anabara has extracted a large 34.17-carat yellow diamond. It is the largest fancy-colored rough diamond extracted by the Company this year. The...

Researchers document transformation of graphite into hexagonal diamond

A new study by Washington State University researchers answers longstanding questions about the formation of a rare type of diamond during major meteorite strikes. Hexagonal...

Davidsmithite a new Ca-bearing nepheline-group mineral

Davidsmithite, a newly approved feldspathoid mineral (IMA 2016-070), occurs as a rock-forming mineral in the Liset eclogite pod (Norwegian Caledonides). The approved electron-microprobe analysis gave...

Research sheds new light on early turquoise mining in Southwest

Turquoise is an icon of the desert Southwest, with enduring cultural significance, especially for Native American communities. Yet, relatively little is known about the...

Diamonds show Earth still capable of ‘superhot’ surprises

Diamonds may be 'forever' but some may have formed more recently than geologists thought. A study of 26 diamonds, formed under extreme melting conditions...

Tectonic plates ‘weaker than previously thought,’ say scientists

Experiments carried out at Oxford University have revealed that tectonic plates are weaker than previously thought. The finding explains an ambiguity in lab work...

What is Nephrite Jade? And Where are their Sources?

Nephrite is a variety of the calcium, magnesium, and iron-rich amphibole minerals tremolite or actinolite (aggregates of which also make up one form of...

The World’s First Recorded Opalised Pearls Discovered

The world's first recorded opalised pearls, relics of creatures in an ancient inland sea dating back 65 million years, have been unearthed by two...

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