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SB 3.23.18

dvāḥsu vidruma-dehalyā
 bhātaṁ vajra-kapāṭavat
śikhareṣv indranīleṣu
 hema-kumbhair adhiśritam
Synonyms: 
dvāḥsu — in the entrances; vidruma — of coral; dehalyā — with a threshold; bhātam — beautiful; vajra — bedecked with diamonds; kapāṭa-vat — having doors; śikhareṣu — on the domes; indra-nīleṣu — of sapphires; hema-kumbhaiḥ — with gold pinnacles; adhiśritam — crowned.
Translation: 
The palace was very beautiful, with its coral thresholds at the entrances and its doors bedecked with diamonds. Gold pinnacles crowned its domes of sapphire.