DURING an investigation of the discoloration by light of some ceramic glazes containing titanium compounds and of the subsequent fading of the discoloration when the glaze is kept in the dark 1, it ...

In Michigan’s Upper Peninsula, a unique mineral that produces a stunning “cosmic” glow when exposed to ultraviolet (UV) light is capturing the fascination of the rockhounding world. These unusual ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When it comes to working with crystals, you can’t just pick any pretty rock. Each crystal has its own ...

We may earn commission from links on this page, but we only recommend products we love. Promise. When it comes to working with crystals, you can’t just pick any pretty rock. Each crystal has its own ...

Gabriela Farfan, the Smithsonian's curator of gems and minerals, answers the internet's burning questions about gemstones. Are all minerals crystals? How are diamonds cut? How do geodes form? Is the ...

Another hackmanite was submitted that displayed an interesting elongated white inclusion (figure 2, left) that was identified by micro-Raman as apatite. As we examined the sample in the microscope, we ...

Hackmanite is an exceptional mineral – it changes colour and glows in the dark. Research on the material started by chance at the Department of Chemistry of the University of Turku, and researchers ...

Researchers have long studied the color-changing properties of the natural mineral hackmanite upon exposure to UV radiation or X-rays. Now, the research group studied the reactions of synthetic ...

According to a recent study published in the Materials Horizon journal in September, researchers have just discovered a unique and novel intelligence property of hackmanite called gamma exposure ...

Researchers at the University of Turku, Finland, have long studied the color-changing properties of the natural mineral hackmanite upon exposure to UV radiation or X-rays. Now, the research group ...

You have to admit the sun has been pretty brutal on northern Nevada in the last several weeks. With temperatures hovering above 95 degrees it hasn’t been a picnic and it goes without saying that we ...