How do I identify Sadanagaite?

Sadanagaite can be identified by its hardness of 6 on the Mohs scale, black color. Look for these key characteristics when examining specimens.

What color is Sadanagaite?

Sadanagaite typically appears in black, dark brown. Color can vary depending on impurities and formation conditions.

Sadanagaite has a hardness of 6 on the Mohs scale. This gives it moderate hardness.

A variety of Minerals

Estimate the market value of Sadanagaite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.

See where Sadanagaite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview

North ZoneCentral RidgeSouth Basin

Chemical Formula: {Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2 The sadanagaite group minerals are defined as with 0.5 < A(Na+K+ 2Ca) where Na or K is dominant, and with 1.5 < C(Al+Fe3++2Ti), where Al or Fe3+ are dominant. The W position may contain (OH), F or Cl. Sadanagaite is defined with A position: Na dominant C2+ position: Mg dominant C3+ position: Al dominant W position: (OH) dominant.
Elements: Al, Ca, H, Mg, Na, O, Si

FREE APP

4.7