When we think about gemstone jewellery making, there are always precious stones like sapphires, diamonds, emeralds, and ...

Gemstone Gibberish Take it with a grain of salt. These are the five most valuable gems in the Ophir Collection, according to a 2019 appraisal that's drawn more laughs than nods from industry experts.

Gemstones carry the tale of their geographic origins Spectroscopy techniques allow us to see way beneath the shiny surface of gemstones. By Laura Baisas Published Aug 1, 2023 11:00 AM EDT ...

The verse, found in the book of Isaiah, states that Israel's foundations will be laid with sapphires and its borders with precious stones. After the Taubs discovered various gems through its ...