News

These are our brand new designs for the Australian Flora & Fauna coin series. Featuring 6 endemic plants and creatures the series will be released starting with the beautiful Western Blue Tongue Lizard from Western Australia, and the Australian Grass Tree. 1 Troy ounce Copper Rounds at 31.1g each. 999 Copper Diameter - 40mm Thickness - 3mm     The first batch will be ready by about end August or early September. Keep an eye out as the next releases will be: Banksia Prinotes  Blue Banded Bee The Western Blue Tongue Lizard and Grass Tree Coins can be pre-ordered by visiting...

Ancient Bronze is a copper-based alloy with anywhere from 10-12.5% tin. It was widespread by the 2nd Millennium BC and depending on the country it was found in, its composition varied. In the Bronze age (4000 BC to 2000 BC) Bronze was usually an alloy of Copper and Arsenic, or with added Aluminium and Manganese. Arsenic was common in Bronze at the time because it acted as a deoxidizer and produced arsenic oxide fumes that that boiled out of the melt, taking the oxygen with it. Arsenic also occurred naturally in the copper ores that were mined. Arsenic based Bronze...

To start melting copper you need to obtain some of the shiny stuff! This can be from scrapping or by purchasing copper from scrapyards or copper dealers.  Copper melts at 1084°C (1983°F). To pour molten copper the temperature needs to be 50-100 degrees Celsius higher than the melting point, as to prevent the copper solidifying mid pour. 1150°C is a common pouring temperature for copper ingots. For an average ingot that weighs 1kg (2.2lbs) you may need about 1.050kgs to account for impurities that burn off and for slag. This will vary depending on the quality of copper used. For bright and shiny copper there will...

An exciting day for us here in Perth, Western Australia. The website (in its current half finished state :/ ) has gone live and our first products have been listed for sale - our hand poured Pure Copper and Nordic Gold Ingots. I poured the ingots last week and have been busy getting more ready for the site. In the coming weeks we will be listing our Brass, Bronze, Nordic Gold and Aluminium ingots for sale. From here coin blanks and the first cast coins will start to appear on the product pages :) All products at Great White Bullion will have...