Nosean

Nosean, also known as Noselite, is a mineral of the feldspathoid group with formula:Na₈Al₆Si₆O₂₄(SO₄). It forms isometric crystals of variable color: white, grey, blue, green, to brown. It has a Mohs hardness of 5.5 to 6 and a specific gravity of 2.3 to 2.4. It is fluorescent. It is found in low silica igneous rocks. There is a solid solution between nosean and hauyne, which contains calcium.

Additional recommended knowledge

Recognize and detect the effects of electrostatic charges on your balance

Daily Sensitivity Test

Weighing the right way

It was first described in 1815 from th Rhineland in Germany and named after the German mineralogist K. W. Nose (1753-1835). The mineral is rare but widespread, found in such diverse localities as ocean islands (e.g., Tahiti) and the La Sal Range in Utah.

References

• Webmineral data
• Mindat with location data