NET

10 and they saw the God of Israel. Under his feet there was something like a pavement made of sapphire, clear like the sky itself.

Darby

10 and they saw the God of Israel; and there was under his feet as it were work of transparent sapphire^D567, and as it were the form^D568 of heaven for clearness^D569.

Darby Bible Notes

sapphire - Lit. 'of the transparency of sapphire.' form - Lit. 'body.' clearness - Or 'brightness.'

KJV

10 And they saw the God of Israel: and [there was] under his feet as it were a paved work of a sapphire stone, and as it were the body of heaven in [his] clearness.

Strong's

10 And they saw^H7200 the God^H430 of Israel^H3478: and there was] was under his feet^H7272 as it were a paved^H3840 work^H4639 of a sapphire stone^H5601, and as it were the body^H6106 of heaven^H8064 in his clearness^H2892.