Greetings Gerry and all: Best to check with your proprietary supplier for the density of your hard gold. Pure, soft golds usually have densities close to the density of wrought gold. See "Properties of Electrodeposited Mwetals and Alloys" by Safranek, published by AESF. Allan Reed Technic, Inc. ################################################################ TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TechNet <your full name> To unsubscribe: SIGNOFF TechNet ################################################################ Please visit IPC web site (http://jefry.ipc.org/forum.htm) for additional information. For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 ################################################################