Aquamarine and heliodor are colored by Fe ions, an important coloring agent for beryl. Blue to yellow gem beryl was studied by quantitative spectroscopy and trace-element analytical techniques to ...

Quick LinksWords in the NYT Connections Puzzle #722 for June 2, 2025Hints for the NYT Connections PuzzleSome General Hints ...

Here's today's Connections answer and hints for groups. These clues will help you solve New York Times' popular puzzle game, ...

Here's today's Connections answer and hints for groups. These clues will help you solve New York Times' popular puzzle game, ...