How do I identify Hollandite?

Hollandite can be identified by its hardness of 4 - 6 on the Mohs scale, Silvery-grey to greyish black color. Look for these key characteristics when examining specimens.

What color is Hollandite?

Hollandite typically appears in Silvery-grey to greyish black, black. Color can vary depending on impurities and formation conditions.

How hard is Hollandite?

Hollandite has a hardness of 4 - 6 on the Mohs scale. This gives it moderate hardness.

How to Identify Hollandite | Properties, Meaning & Uses

What is Hollandite?

Hollandite (chemical formula: Ba(Mn6Mn2)O16) is an oxide mineral. It is the barium-manganese (III) endmember of the coronadite group. A mineral, with the chemical composition BaMn6Fe2O16, that was first found in the Kajlidongri mine in the Jhabua district of Madhya Pradesh, India, had the name hollandite until it was reclassified as ferrihollandite by the International Mineralogical Association in 2012. Ferrihollandite is the barium-iron (III) endmember of the coronadite group. Rare quartz inclusion

Hollandite Market Value Calculator

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

Hollandite Localities Map

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