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Researchers Say Precious Metals From Earth's Core Are 'Leaking' to the Surface

Jewelry Judge

The presence of core-derived 100Ru in Hawaiian lava flows is now taken as direct evidence that material from the Earth’s core is migrating upward through the mantle. These plumes act as natural elevators, bringing up material enriched in precious metals. It’s about understanding the inner workings of our planet.

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Marcasite or Hematite? How to Identify Gray Jewelry Materials

WorthPoint

As I’m perusing online jewelry listings, whether shopping or doing research, I sometimes come across things that just aren’t quite right. of collecting, or you don’t mind a good refresher, here are several different types of gray materials you’ll likely run across if you keep thrifting and hitting the fleas for any amount of time.

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Evaluation to Valuation: Navigating Fine Art Appraisals

Art Appraisal Resources

The appraiser will assess its condition, size, materials and overall condition. The appraiser will then research the artist, provenance, exhibition history and market trends related to the artwork and similar pieces. It is helpful if you are working with an appraiser who is well versed in the style of work.

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The Past and Future of Indirect Costs: An Interview with Hilary Craiglow

Association of Research Libraries

Even as ARL is supporting litigation that seeks to reverse a 15% cap on reimbursement rates by the US National Institutes of Health (NIH), we are also closely tracking an effort by US higher education organizations to develop a new funding model for support services that underpin the research enterprise. Administrative 26.00 Interest 3.55

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Impacting Scholarly Communication: From Cells to Society

Association of Research Libraries

Last Updated on June 25, 2025, 12:11 pm ET Editor’s note: This is the first in a series of ARL Research & Analytics Impact Reports , which capture transformative effects of specific research library programs on students, researchers, communities, and/or the higher education/research enterprise. No subscriptions.

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How to Sell Your Jewelry for the Best Market Value

Buckhead Jewelry Appraisers

Jewelry value can fluctuate depending on the type of jewelry, materials, craftsmanship, brand, demand, and market conditions. High-quality materials often fetch higher prices. If your item is currently more desirable to consumers due to its materials, brand, or design, it will have a higher resale value. Online Research.

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How to Know if Jewelry is Real: A Comprehensive Guide

Buckhead Jewelry Appraisers

Professional Appraisal: Seeking a jewelry appraisal from a specialized jewelry appraiser can provide comprehensive details about the jewelry's authenticity, materials used, and value. Materials that could be counterfeit gemstones could be made out of questionable materials like plastic or glass. Some Additional Tips 1.

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