stone

1. Origins, structure, and basic meaning

• Structure: 石 has 5 strokes and means stone.
• Basic usage: 石 is read いし, and 宝石 is read ほうせき.

2. Common pitfalls and similar expressions

• Readings for stones and gems
  • 白い石を拾った means picked up a white stone.
  • The 石 in 宝石 is read せき.
  • 青い宝石 means a blue gemstone.