The mountain known as Mandara, which was extremely heavy, being made of gold, fell and smashed many demigods and demons.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
निपतन् स गिरिस्तत्र बहूनमरदानवान् । चूर्णयामास महता भारेण कनकाचलः
nipatan sa giristatra bahūnamaradānavān | cūrṇayāmāsa mahatā bhāreṇa kanakācalaḥ
SB 8.6.35