How do you say "pearl" in German?

Search: pearl

Why: BabyNames.com says the name Gretchen comes from the German word for pearl.

Answer: As a noun:

1. Perle
2. Kügelchen

As an adjective: matt

Source: Google Translate

The More You Know: The largest known pearl was found in the Philippines in 1934. It grew in a clam (not an oyster), so it has a glossy surface like a China plate. It weighs 14 lbs.