Streak Colors

Streak Colors
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McDougall Minerals is based near famous Bancroft, Ontario, at the heart of one of the best mineral regions in Canada

Streak colors

Definition

Streak color is the color of the finely-pulverized mineral. Streak plates are snow-white, unglazed ceramic tiles. You can use the back of a white, glazed tile from the hardware store to rub the mineral sample to produce a streak.

This only works for minerals which are softer than a ceramic tile (hardness ~ 7).

Other References to Mineral Streak

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Example Subject Searches

Example: "streak-red*" finds all minerals with a red or reddish sreak.
Example: "streak-reddish-brown" finds all minerals with a reddish brown streak.

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