The best of the New South Wales diamonds are harder and much whiter than the South African diamonds, and are classified as on a par with the best Brazilian gems, but no large specimens have yet been found.
The more elaborate patterns found on what is known as " figure rolled plate " are produced in a somewhat different manner; the glass used for this purpose is considerably whiter in colour and much softer than ordinary rolled plate, and instead of being rolled out on a table it is produced by rolling between two moving rollers from which the sheet issues.
The inner part is of a whiter and finer quality.
Recently prepared fibre is always stronger, more lustrous, softer and whiter than such as has been stored for some time - age and exposure rendering it brown in colour and harsh and brittle in quality.
I brought over some whiter and cleaner sand for this purpose from the opposite shore of the pond in a boat, a sort of conveyance which would have tempted me to go much farther if necessary.
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