Cesium is primarily found in lithium-bearing pegmatites across countries such as Australia, Canada, and the USA, with notable occurrences in Alaska, Maine, and South Dakota. Additionally, cesium-rich deposits have been identified in China, particularly in Yichun, although no production estimates exist. The cesium clock, utilizing the spin states of the cesium nucleus, is recognized as the most accurate timekeeping device.

1. Cesium
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2. World Resources:
• Cesium is associated with lithium-bearing pegmatites
worldwide, and cesium resources have been identified in
Australia, Canada, Namibia, the United States, and Zimbabwe.
• In the United States, pollucite occurs in pegmatites in Alaska,
Maine, and South Dakota.
• Lower concentrations occur in brines in Chile and China and in
geothermal systems in Germany, India, and Tibet.
• China was thought to have cesium-rich deposits of geyserite,
lepidolite, and pollucite, with concentrations highest in Yichun,
Jiangxi Province, although no resource, reserve, or production
estimates were available.

6. Cesium Chloride

13. The cesium clock is the most
accurate type of clock yet
developed. This device makes
use of transitions between
the spin states of the cesium
nucleus and produces a
frequency which is so regular
that it has been adopted for
establishing the time…

15. Cesium Database
Technology, Patent, Consultants, Mining Industry,
Suppliers, Report
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