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Mineralpedia Details for Lanthanite-(Nd)

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Lanthanite-(Nd)

Lanthanite-(Nd)

Named for the lanthanum in the composition with the dominance of neodymium over the other rare earth elements. A rare mineral that occurs as a secondary mineral, typically formed by the alteration of weathering of rare earth element-bearing minerals. It can be found in Brazil, Japan, Russia, the United States, Japan, and Norway.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/lanthanite-(Nd).pdf

Formula
Nd2(CO3)3ยท8H2
Crystal System
Orthorhombic 
Crystal Habit
Platy, Encrustations 
Cleavage
Perfect, Good, None 
Luster
Vitreous - Pearly 
Color
light pink 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Sectile 
Hardness
2.5-3 
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Lanthanite-(Nd) from Curitiba, Paraná, Brazil

Lanthanite-(Nd)
            from Curitiba, Paraná, Brazil

Lilac to light purple thin platy crystals in 3 small 5mm crystal aggregates.

Click thumbnail images for larger view.

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