Gypsum var Selenite Crystal | 1962 Perky Box | Ellsworth Mahoning County | Ohio, USA briolette Mineralogist and Martin Altmann

Mineralogist and Martin Altmann

This impactite was formed between 385 and 900 million years ago in Precambrian time when a meteorite crashed into the earth making a ~5 kilometers wide crater locally known as the Hallingdal Impact Crater

Weight: 115 Grams / 4 Ounces

Its dimensions are 25x16x6 mm

Gypsum var Selenite Crystal | 1962 Perky Box | Ellsworth Mahoning County | Ohio, USA briolette Mineralogist and Martin AltmannWe have for you a small floater crystal of gypsum var Selenite in a perky box found 1962 in Ellsworth Mahoning County, Ohio U. S. A.. Gypsum is one of the more common minerals in sedimentary environments. It is a major rock forming mineral that produces massive beds, usually from precipitation out of highly saline waters. Since it forms easily from saline water, gypsum can have many inclusions of other minerals and even trapped bubbles of air and