Costly stones; marble and porphyry, or other stones of great size and value.
To lay the foundation of the house; where they could not afterward be seen; and therefore that this was done, is mentioned only as a point of magnificence, except it was intended for a type or mystical signification of the preciousness of Christ, who is the foundation of the true temple, the church of God, as he is called, Isa_28:161Co_3:11.