<prompt> After condensation of direct filling gold, its hardness value may be equivalent toType I gold alloyType II gold alloyType III gold alloyType IV gold alloy  <response>: Pure gold has hardness value of 22 VHN.The process of gold compacting is also known as condensation. After work hardening, its hardness 52 to 75 VHN is equivalent to and may exceed that of type I gold alloy 50 VHN, and approaches that of type II gold alloy 90 VHN. This category of gold is also known as cohesive gold and direct filling gold for restorations.Ref: Phillips 12th edition. page 415 