Glaucochroite

{{Infobox mineral

| name = Glaucochroite

| category = Silicate mineral

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| image = Glaucochroite-270038.jpg

| caption = Glaucochroite found in New Jersey

| formula = {{chem2|CaMnSiO4}}

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| strunz = 9.AC.05

| dana = 51.3.2.3

| system = Orthorhombic

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| color = Bluish-gray, pink, brown, or white

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| fracture = Conchoidal, sub-conchoidal

| mohs = 6

| luster = Vitreous, sub-vitreous, resinous

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| opticalprop = Biaxial (−)

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| streak = white

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| references = [http://www.mindat.org/min-1708.html Glaucochroite at Mindat.org]

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Glaucochroite is a calcium manganese nesosilicate mineral with formula {{chem2|CaMnSiO4}}. It occurs in metamorphosed limestones.

It was first described in 1899 in Franklin Furnace, Sussex County, New Jersey.