[Rockhounds] Re: streak plate (was) Darwin, CA Pyrite RATED PG-13

J Bryan Kramer codeburner at gmail.com
Fri Dec 5 11:26:16 PST 2008


You can buy a tile at Home Depot and use that too, the backside of it.

BK

On Fri, Dec 5, 2008 at 14:18, Kitty & Bill Heacox <kahako at hawaiiantel.net>wrote:

> Just a note for those who don't have a streak plate:  use the underside of
> the tank lid on your toilet, provided it is ceramic (I'm talking about the
> tank cover, not the seat lid).
>
> Aloha, Kitty
>
> Carolyn Reynard wrote:
>
>> A streak test will give you the color of the mineral in powdered form.
>> Firmly rub the mineral on an unglazed piece of tile.
>>
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-- 

""It often seems to me that the night is much more alive and richly colored
than the day."

                      Vincent van Gogh
J Bryan Krämer
North Florida, USA
photos at:
http://pbase.com/photoburner


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