Recent content by wayne

The story of Bhopal. It starts with Union Carbide selling pesticides to India. The Indian Government decided that they did not want to buy pesticides, instead they wanted them manufactured in India. Union Carbide was told to build a plant or leave India. Union Carbide tried to convince...

Do we? Has anyone ever been to Siberia? I worked for a Fortune 100 U.S. Chemical Company and traveled widely as part of my job. We are not the worst in the world, even though many would like us to think so. I know the true story of Bhopal, the Indian Government is solely responsible for ever...

Within the above mentioned article is the following quote: "An official of a trade group, the China National Light Industry Council, argued that responsibility for meeting foreign standards should not lie with Chinese manufacturers. "The quality of Chinese-made toys with American brands...

Pollution in the Far East Pollution in the Far East Pollution in the far east is a widespread problem. Even the most fundamental environmental controls are ignored in favor of profit. Japan's use of mercury and its dumping was captured by an American Photographer about 50 years ago (sorry do...

Yes, without question.:)

Thank you. No offense taken. For many years my passion has been gems of all types. However, I have been converted to pearls. I have never seen a strand of Hanadama pearls, only pictures, but if PP's website is any indication they must be truly spectacular. I examine pearls in much the...

It is possible that you are correct. However, I own three strands of Akoya 7.5-8.0mm pearls that I use as a standard reference. Using the defiiniition of AAA, AA+, and AA published herein, they meet the definitions. The Mikimoto's that I saw were clearly 2 orders of magnitude better than my...

I recently had the opportunity to compare 2 Mikimoto necklaces to several AAA and AA+ akoya necklaces. This is the first time I have had such a chance and I was amazed. The difference is astounding. The question is how? The difference was so remarkable that the Mikimoto's would have to represent...

Attack? Attack? What is 'Attack'? I realize that it must be some type of solvent, but could anyone be more specific? Thanks, Wayne

Hello; I am freelance custom jewelry designer making a switch from gems to pearls. I have been wandering this outstanding website for months. I need some references for a company in China, Changzhou Day Colour Jewelry Co., Ltd. I am starting to do some business with them and would like to...

Gold, Green Skin, and Chemistry Gold, Green Skin, and Chemistry While I am a novice when it comes to pearls, I can answer the question of the black dust and green skin. The black dust is the base metal in gold plate or low KT gold wire. Gold does not react with other material in the everyday...