Vivianite is a secondary mineral found in a number of geologic environments: the oxidation zone of metal ore deposits, in granite pegmatites containing phosphate minerals, in clays and glauconitic sediments, and in recent alluvial deposits replacing organic material such as peat, lignite, bog iron ores and forest soils (all).

Feb 22, 2023 · Vivianite, a rare phosphate mineral (Fe 3 (PO 4) 2 − (H 2 O) 8) has been found growing on organic materials such as fossil shells, animal waste deposits, and even on decomposing bodies.

Vivianite is an iron phosphate mineral that was found in Cornwall, U.K. Named after the late John Henry Vivian, who had discovered it in 1817. Vivianite has been seen in stone and crystal form, and has been noted to be a variety of colors such as blue, green, and sometimes even colorless.

Apr 22, 2019 · Vivianite is a very special stone that will help bring peace and serenity into your life by removing all sorts of negative energy from your surroundings. By making use of its unique energy you will be able to clear your mind of all doubts and negative thoughts so …

Jul 1, 2024 · Vivianite is a hydrated iron phosphate mineral with the chemical formula Fe3 (PO4)2·8H2O. It is a relatively rare mineral and is often recognized by its deep blue or blue-green color, although it can also appear colorless, white, gray, or yellowish when it …

Colourless and transparent when fresh, quickly turning pale to deep blue, greenish-blue or bluish-green. Named by Abraham Gottlob Werner in 1817 after John Henry Vivian (August 9, 1785 - February 10, 1855), an English (Welsh-Cornish) politician, mine owner, and mineralogist living in Truro, Cornwall, and discoverer of the mineral.

Vivianite is a well-known phosphate mineral, forming in highly aesthetic sharply colored crystals. Vivianite often forms with organic material such as shells and fossils, and may even form inside them. Vivianite is notorious for darkening upon exposure to light.

Apr 11, 2024 · Vivianite is an iron phosphate mineral that possesses a distinctive crystal structure, contributing to its notable blue-green color and transparent to translucent appearance.

Vivianite, a fascinating mineral known for its vibrant blue-green hues and unique properties. Vivianite is a hydrous iron phosphate, meaning it's a mineral composed of iron, phosphorus, and water molecules. Its chemical formula is Fe₃ (PO₄)₂·8 (H₂O).

Vivianite, phosphate mineral, hydrated iron phosphate [Fe3 (PO4)2·8H2O], that occurs as colourless when freshly exposed. After exposure to air, the iron oxidizes and the mineral’s colour becomes light green, light blue, blue-green, dark green, dark …