Garnet (noun)

1. A dark red or brownish-red precious stone, a type of silicate mineral, used as a gemstone and in industry.
2. A deep red color.

Origin:

Middle english: via old french from latin granatum, from granum "grain", because of the garnet's red seed-like shape.

Examples:

1. She wore a garnet necklace that had been passed down from her grandmother.
2. The garnet is the birthstone for January.
3. A garnet is a hard and durable stone that can last for many years.
4. The garnet mines in India have produced some of the finest examples of the stone.
5. The garnet color of the sunset was breathtaking.