Read more about Soil – San Joaquin

These well-drained deposited soils make for very productive agricultural lands.

Read more about Rock – Serpentine

Since 1965, serpentine has been the State Rock.

Read more about Mineral – Gold

Gold is the precious metal that made the state of California. Since its first discovery in the 1820s, no other mineral has had a greater impact on the course of the state’s history than gold.

Read more about Gemstone – Benitoite

This rare gemstone is also known as the “blue diamond” because of its deep shades of transparent blue color.