This is the 3692nd most frequent Japanese word.
いわさき
"Iwasaki" is a Japanese surname.
In this sentence, 'いわさき' is used as a surname to refer to a person, indicating their name.
いわさきさんは日本の画家です。
Mr. Iwasaki is a Japanese painter.
Here, 'いわさき' refers to a place name, specifically a city.
いわさき市は美しい自然で知られています。
Iwasaki City is known for its beautiful nature.
In this context, 'いわさき' is used within a noun phrase to describe a particular type or name of a mineral.