| Country of Origin | United States |
|---|
Check the listing for details. Elemental Selenium Chunks 50g+, 99.999%+, In Display Bottle. Condition: New, Made in United States. Listed at 34.95 USD. Selenium is a semiconductor and is used in photocells. Applications in electronics, once important, have been mostly replaced with silicon semiconductor devices. Selenium is still used in a few types of DC power surge protectors and one type of fluorescent quantum dot.