Some of the largest crystals ever found are of selenite, the largest specimen found in the Naica Mine 's Cave of the Crystals being 12 meters long and weighing 12 tons. "Selenite" is mostly synonymous with gypsum, [2] but from the 15th century, it has named the transparent variety that occurs in crystals or crystalline masses.

Detailed description, properties, and locality information guide about the mineral gypsum (selenite).

2024年3月6日 · Selenite is a beautiful and versatile mineral that belongs to the gypsum mineral family. It is composed of hydrous calcium sulfate and is known for its transparent to translucent appearance.

The name 'selenite' is mostly synonymous with gypsum but has been used historically to describe the transparent variety, as opposed to satin spar gypsum for the fibrous variety and alabaster for the fine-grained massive form.

Gypsum (selenite, CaSO 4 •2H 2 O) is a soft, colorless, transparent mineral that occurs in prismatic crystals found in gypsum beds. Crystallization: Monoclinic; prismatic; 2/m. Habit: Commonly well crystallized, prismatic or tabular; may form rosettes; also commonly massive.

Selenite, pronounced SELL-en-ite, is the crystalline variety of gypsum. Its name is derived from the Greek selénités, literally “stone of the moon” (from seléné, or “moon”), referring to the moon-like, pearly luster of its cleavage surfaces.

About: Selenite is a variety of the mineral gypsum, known for its clarity and luminous appearance. This translucent crystal has been admired and utilized for thousands of years, both for its physical beauty and its purported metaphysical properties.

2024年12月23日 · selenite, a crystalline variety of the mineral gypsum (q.v.). This article was most recently revised and updated by Amy Tikkanen.

2023年6月28日 · Selenite is a hydrous calcium sulfate mineral with the chemical formula CaSO4 · 2H2O. It occurs in various colors, such as colorless, white, gray, brown, beige, orange, pink, yellow, light red, and green. It most common form is white, translucent crystals with striations and a vitreous luster.

2023年9月1日 · Selenite is a fairly common mineral. Gypsum crops up wherever there were former hydrothermal vents, alongside other sulfide minerals like pyrite and marcasite. There’s at least one location in the vast majority of states in the US, including Hawaii.