Abu Dharr reported,

He used to relate that the Messenger of Allah ﷺ said, and he then mentioned the story of the Night Journey and the Ascension, in which it was reported, "Then I was admitted into Paradise, and there I saw domes of pearl, and its soil was musk."

Azami 16279

Sahih

عن أبي ذر

كان يحدث أن رسول الله ﷺ قال: فذكر قصة الإسراء والمعراج، وجاء فيه: ثم أدخلت الجنة فإذا فيها جنابذ اللؤلؤ، وإذا ترابها المسك.

الأعظمي 16279صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Description of Paradise and Hell and their inhabitants
Chapter
Paradise
Section
Description of the soil of Paradise
Numbering
Jami al-Kamil 16279 (2nd edition)
Azami 16279