Some lower-quality minerals may not be worth more than a ... and accepting an offer. How do I sell raw gemstones?

Silent auctions added an extra layer of excitement, as attendees placed their bids on rare and unique pieces, hoping to take ...

whose family moved to Sacramento the same year the Gem Faire began, has been coming to shows since 1991. Blakemore said she first discovered her interest in semiprecious stones and minerals as a ...

DODOMA: TANZANIA and Thailand have signed a cooperation agreement to promote knowledge sharing, research collaboration and ...

Many minerals form beautiful crystals, but the most prized of all are gemstones. Uncut gems often look fairly ordinary–like rocks. It's only when they are cut and polished that they obtain the ...

Some minerals follow a natural value chain where they are used in their raw form such as soil supporting plant growth or gemstones in jewellery. Others enter the industrial minerals value chain ...