Maggie Wilson Author

Historical Non-Fiction in Northern Ontario

Archive for July 22nd, 2014

One Word Photo Challenge: Aqua

    Rosasite from the Ojuela Mine, Mexico 3.0 x 2.2 x 2.0 cm Rosasite is a secondary mineral found in the oxidation zone of copper-zinc deposits. Crystals are acicular, that is, needle-like. They form dense, compact layers on matrix or as nodules as shown here. Great care must be taken when handling the mineral. Suppress the urge to caress the velvety masses, otherwise, you are stuck with a thumbprint on your specimen.  *** […]

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