minéral de witherite

Witherite | Natural Atlas

Witherite is a barium carbonate mineral, BaCO3, in the aragonite group. Witherite crystallizes in the orthorhombic system and virtually always is twinned. The mineral is …

Witherite: The mineral witherite information and pictures

The Mineral witherite. Witherite is an uncommon mineral, especially since it easily alter s to the more common mineral Barite. It alters when sulfuric acid from sulfide minerals dissolves the Witherite, and the sulfur combines with the barium to form Barite.

Witherite | Barium Carbonate, Baryte, Sulfate

Witherite, a carbonate mineral, barium carbonate (BaCO3), that is, with the exception of barite, the most common barium mineral, …

Witherite

Witherite. Nentsberry Haggs Mine, Alston Moor, Eden, Cumbria, England, UK. A pale yellow, hexagonal crystal, 4.5 cm long, laying across a stem of fine grained white …

Witherite | Mineralogy4Kids

A member of the aragonite mineral group, this mineral was named after William Withering (1741-1799), an English physician and naturalist, who first described the mineral. It …

Witherite Mineral Data

Witherite. Comments: Specimen of witherite with a rounded (stellate) habit. The lower picture was taken under SW UV light and shows the crystalline aggregates. Location: …

Witherite mineral information and data

Witherite. Named for Dr. William Withering, an English mineralogist, botanist, chemist, and physician who was the first to describe the mineral. Occurs typically as a product of alteration of barite in low-temperature …

Mineral Database

Witherite is identified by the fact that it is very dense for a nonmetallic mineral (a property shared with baryte) and its effervescence in dilute hydrochloric acid, demonstrating that it is a carbonate.

Witherite: Mineral information, data and localities.

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams. Please only use the official IMA–CNMNC symbol. Older variants are …

Witherite BaCO3

Mineral Group: Aragonite group. Occurrence: Usually in minor amounts in low-temperature hydrothermal veins, typically an alteration product of barite; may be of anoxic …