MEASUREMENTS - Some notes on measurements used on this site

 

    I think it’s very important for nugget measurements and information to be clear and straightforward: that way you know exactly what you’re getting and will love your nugget even before it arrives. (For helpful tips on some not-so-clear-and-straightforward things to watch out for on other sites, please see my Buyer’s Tips page.)


    For weight measurements I use grams (g), as the metric system is the most recognised worldwide. I do use troy ounces (one troy ounce equals 31.1 grams) to name the largest size category in the Nugget Gallery (the ‘1 ozt plus’ category), but still quote grams for the nuggets within that category. I take gram measurements to one decimal point, and take three or four readings to ensure accuracy.


    When specific gravity calculations are needed to calculate gold weight in a specimen (a specimen being gold present with a significant amount of companion material, such as quartz or ironstone etc), I use the full mathematical equation for specific gravity (no shortcuts). I also, wherever possible, take a separate specific gravity reading of a sample of the companion material taken from the same site as the specimen, so that the most accurate figure possible is used in the specimen calculation (rather than a generally accepted value for the companion material).


    I use millimetres (mm) for dimension measurements, once again as the metric system is the most recognised worldwide (there are 25.4 millimetres in an inch). Due to the often irregular shapes of gold nuggets I round to the nearest millimetre at as close as possible to the largest extent in each dimension (length, height, width).


   Every nugget on this site is a natural nugget, dug straight from the ground. All prices are in Australian dollars (see the Useful Links page for an online currency converter).