- chemical formula
- Cu₃(CO₃)₂(OH)₂
- density
- 3.75
- described by source
- Small Brockhaus and Efron Encyclopedic Dictionary, Technical Encyclopedia, 1st edition, Brockhaus and Efron Encyclopedic Dictionary, Encyclopædia Britannica 11th edition, Otto's encyclopedia, New Encyclopedic Dictionary, Traité Élémentaire de Minéralogie, Great Soviet Encyclopedia (1926–1947), Slovník naučný, Armenian Soviet Encyclopedia, vol. 1, Meyers Konversations-Lexikon, 4th edition (1885–1890)
- IMA Mineral Symbol
- Azu
- Mohs' hardness
- 3.75
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 5.BA.05
- Nickel-Strunz 9th edition (updated 2009)
- 5.BA.05
- Strunz 8th edition (series ID, updated)
- Vb/B.01