Mineral Reference Lookup for
Igelströmite
This reference page contains
mineralogic data for Igelströmite 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 Igelströmite in the database:
Mineralogical Reference | Igelströmite
| Mineral | Igelströmite | | Synonym | Pyroaurite |
| Mineral | PYROAURITE | | Chemistry | Mg 6 Fe 3+ 2 [(OH) 16 |CO 3 ] · 4H 2 O | | Color | Yellow to brown ihs-white silver-white Greenish or colourless | | Luster | Vitreous | | CrystalSystem | Trigonal | | CrystalHabits | include tabular, scaley to platy crystals; also found in fibrous forms. | | Fracture | perfect in one direction (basal). | | Hardness | 2½ | | Occurences | include the type locality of Langban, Varmland, Sweden; Gulsen Quarry, Kraubath, Styria, Austria; Tunnel Hill Quarry, Tasmania, Australia; Sterling Hill, New Jersey; San Francisco County, California, USA; Half-Grunay, Shetland Islands, Scotland; Rutherglan, Ontario and the Parker Mine, Notre Dame du Laus, Quebec, Canada. | | Indicators | crystal habits, cleavage, color and locality. | | DensityNote | very light | | IMAStatus | Approved - Published prior to 1959 (pre-IMA) - Gra | | Discovered | 1865 | | CellParameters | a = 6.21c = 46.82 | | Ratio | a:c = 1 : 7.539 | | OpticalType | Uniaxial (-) | | RI | n ω =1.564 n ε =1.543 | | Birefringence | δ=0.021 | | SurfaceRelief | Low | | TypeLocality | LÃ¥ngban Filipstad Värmland Sweden | | Strunz | 5/E.03-30 5 : NitratesCarbonates & Borates E : Water-bearing carbonates with unfamiliar anions 03 : Hydrotalcite group |
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