Knebelite

Knebelite is a silicate mineral, a manganese variety of fayalite with formula (Fe,Mn)₂SiO₄. It forms dark green orthorhombic crystals. It is reported from a variety of locations in Sweden as well as South Africa, Russia, British Columbia, New Hampshire, and Rhode Island.

External links

Mindat locality info

Manganese minerals

Borates

Sussexite
Tusionite

Carbonates

Ankerite
Kutnohorite
Rhodochrosite
Manganoan Calcite

Oxides

Simple	Hausmannite Manganite Manganosite Nsutite Pyrolusite

Mixed	Birnessite Bixbyite Ferrocolumbite Ferrotantalite Galaxite Jacobsite Manganotantalite Psilomelane Romanèchite Tantalite Todorokite Umber

Phosphates

Childrenite
Graftonite
Lithiophilite
Natrophilite
Purpurite
Triplite
Triploidite
Zanazziite

Silicates

Babingtonite
Bixbite
Braunite
Brownleeite
Calderite
Chloritoid
Eudialyte
Glaucochroite
Jeffersonite
Knebelite
Ottrelite
Piemontite
Pyroxferroite
Rhodonite
Spessartine
Sugilite
Tephroite
Zakharovite
Zircophyllite

Sulfides

Alabandite
Hauerite
Rambergite

Other

Axinite (borosilicate)
Geigerite (arsenate)
Manganese nodule (various)
Samsonite (Sulfosalt)
Zincobotryogen (sulfate)
Wolframite
Hübnerite

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