Ilvaite is a sorosilicate of iron and calcium with formula: CaFe 2+ 2 Fe 3+ Si 2 O 7 O(OH). Both manganese and magnesium substitute in the structure. Ilvaite crystallizes in the monoclinic …

The history of the name of ilvaite is complex. The mineral was probably first observed in 1784 by the french geologist Déodat de Dolomieu (1750-1801) during his voyage to the Elba Island, Italy.

Ilvaite is an opaque sorosilicate mineral in schist, gneiss, and other metamorphic rocks. They’re usually black but may include brown, gray, red, pink, indigo, blue, green, yellow, or purple, with …

Ilvaite is a black, iron, and magnesium silicate mineral. It’s found in metamorphic and igneous rocks around the world. Ilvaite has a Mohs hardness rating of five to six and can be identified …

Occurs with magnetite ore bodies, with zinc and copper ores, and in contact deposits and zeolites. Capo Calamita, on Elba. Link to MinDat.org Location Data. Named ilvaite from the Latin name …

A striking black stone that feels almost otherworldly, Ilvaite has special electric and magnetic properties that make it valuable to scientists as well as mineral collectors and healers. Ilvaite …

2023年7月15日 · Ilvaite crystal, a celestial gift from nature’s hidden treasure trove, unveils its enchanting allure in shades of deepest black. With a metallic sheen that dances like stardust, …

2024年10月25日 · Ilvaite is a black or dark brown mineral known for its striking crystal formations and magnetic properties. Found primarily in metamorphic rocks, this mineral is a favorite …

Ilvaite is a relatively uncommon, orthorhombic mineral known for its distinctive deep black color. It typically forms in contact metamorphic rocks and skarn ore deposits. The origin of the name …

The meaning of ILVAITE is a silicate CaFe3Si2O8 (OH) of iron and calcium and sometimes manganese related to epidote and occurring in black prismatic crystals and columnar masses …