Jasper Samples, Michigan

A little different kind of postcard this time: a selection of mineral rocks from the Michigan area. These are Jasper stones, common in many areas of the world.

Hiawatha Card Co., Mackinaw City, Mich.

The description on the back of the card reads:

JASPER

The varieties of quartz classified as “Jasper” are generally opaque or only translucent. There are about 70 varieties. Jasper may be red, yellow, brown, green, bluish or black. Favored by the ancient Orientals for carving. Found in both peninsulas of Michigan.

–This card is dated 1962, and was likely purchased in Mackinaw City, Michigan.

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