Hoganite (original) (raw)

A valid IMA mineral species

About HoganiteHide

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Formula:

Cu(CH3COO)2 · H2O

Specific Gravity:

1.910 (Calculated)

Crystal System:

Monoclinic

Name:

Named in honor of Graham P. Hogan (b. 1957), of Broken Hill, Australia, miner and collector who found the first specimens.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:10919:4

84c78d9d-01f1-4c8e-a81c-d4af68d7ca67

IMA Classification of HoganiteHide

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Classification of HoganiteHide

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10.AA.35

10 : ORGANIC COMPOUNDS
A : Salts of organic acids
A : Formates, Acetates, etc.

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Physical Properties of HoganiteHide

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Cleavage:

Perfect
Perfect on {001}; distinct on {110} (synthetic).

Density:

1.910 g/cm3 (Calculated)

Optical Data of HoganiteHide

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RI values:

_n_α = 1.533(2) _n_β = 1.541(3) _n_γ = 1.554(2)

2V:

Measured: 85° (5), Calculated: 76.8°

δ = 0.021

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Dispersion:

r < v, medium.

Comments:

X = blue; Y = pale blue; Z = pale bluish green.

Comments:

Absorption: X > Y > Z.

Chemistry of HoganiteHide

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Mindat Formula:

Cu(CH3COO)2 · H2O

Crystallography of HoganiteHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 13.845 Å, b = 8.528 Å, c = 13.197 Å
β = 117.08(3)°

Ratio:

a:b:c = 1.623 : 1 : 1.547

Unit Cell V:

1,387.35 ų (Calculated from Unit Cell)

Twinning:

No twinning was observed in natural material but some synthetic crystals show butterfly-like twins.

Crystal StructureHide

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CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Comments:

Potosi pit, Australia. The data are from the type description.

Geological EnvironmentHide

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Type Occurrence of HoganiteHide

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General Appearance of Type Material:

Isolated, bluish green prisms up to 0.6 mm long.

Synonyms of HoganiteHide

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Other Language Names for HoganiteHide

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Simplified Chinese:霍根石

Traditional Chinese:霍根石

Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Fluorescence of HoganiteHide

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Other InformationHide

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Thermal Behaviour:

Step 1 between 83 and 95°C
Step 2 at 222°C

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for HoganiteHide

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References for HoganiteHide

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Reference List:

Hibbs, D. E., Kolitsch, U., Leverett, P., Sharpe, J. L., Williams, P. A. (2002) Hoganite and paceite, two new acetate minerals from the Potosi mine, Broken Hill, Australia. Mineralogical Magazine, 66 (3) 459-464 doi:10.1180/0026461026630042

Localities for HoganiteHide

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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.