Polarized Light Microscopy Digital Image Gallery


Gypsum can be found around the world in a variety of forms and is often known by different names based upon its appearance. When it occurs as clear, well-developed crystals, gypsum is commonly referred to as selenite. However, the fibrous form of the mineral, which has a characteristic luster, is known as satin spar. It is this form of gypsum that finds use in a wide variety of jewelry and ornamental work. Massive deposits of fine-grained gypsum, on the other hand, are most commonly called alabaster, a material frequently utilized to construct statues

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