Yanthosiderit Mineral Data, minerology database

Mineral Reference Lookup for Yanthosiderit

This reference page contains mineralogic data for Yanthosiderit and folklore and metaphysical beliefs. If the mineral is an alternate naming of a more common name, the more common mineral's data is displayed below the list of synonyms.

Minerals matching Yanthosiderit in the database: Yanthosiderit Yanthosiderita Yanthosiderite

Mineralogical Reference

Yanthosiderit

Mineral	Yanthosiderit
Synonym	Goethite

Goethite (synonym)

Mineral	Goethite
Chemistry	α-Fe 3+ O(OH)
Color	brownish black Yellow -brown red dish brown
Luster	AdamantineSilky
CrystalSystem	Orthorhombic
Cleavage	Perfect
Hardness	5 - 5½
Streak	yellowish brown
IMAStatus	Approved - Published prior to 1959 (pre-IMA) - Gra
Discovered	1806
CellParameters	a = 4.6b = 9.95c = 3.02
Ratio	a:b:c = 0.462 : 1 : 0.304
OpticalType	Biaxial (-)
RI	n α =2.260 n β =2.393 n γ =2.398
Birefringence	δ=0.138
SurfaceRelief	Very High
Synonyms	Goethit Goethita Goethite Aëtit Allcharit Allcharita Allcharite Chileite (of Breithaupt) Ehrenwerthite (of Cornu) Fullonit Fullonita Fullonite Goethit Goethita Goetite Götheit Götheita Götheite Göthit Göthita Göthite Haarförminge
TypeLocality	Hollertszug Mine ( Hollerter Zug Mine) Dermbach Herdorf Betzdorf Siegerland Rhineland- Palatinate Germany
Strunz	4/F.06-30 4 : Oxides & Hydroxides F : Hydroxides and oxidic hydrateswater-bearing oxides with layered structure 06 : Diaspore - Goethite - Faitknechtite series