|Origin of Name
||From the Greek word rhodon, meaning rose
|Date and Place of Discovery
||In 1803 in England
||William H. Wollaston
- It is the rarest of all non-radioactive metals on the earth.
- World production is only three tonnes
each year and it is mainly used as a catalyst.
- It is a hard and durable metal with a high reflectance.
- It has a higher melting point and lower density than platinum.
- It is not attacked by acids and is insoluble in nitric acid.
- Electrical contact material
- Jewelry (white gold)
- An alloy to harden platinum and palladium
- Catalytic converters
- Filters in mammography