Precious Metal Gems (PMGs) are a cornerstone of 90s basketball card collecting. ... All PMGs are numbered to 100, but the color depended on the card’s serial number.

All the latest science news on precious metals from Phys.org. Find the latest news, advancements, and breakthroughs ... Metallic luster material can change color from silver to gold under UV light.

Platinum is a precious metal that has become increasingly popular in jewellery and watch design, thanks to Cartier, Van Cleef & Arpels and Patek ... the watch centres on an ice-blue dial, the ...