Philrothite (original) (raw)

A valid IMA mineral species

About PhilrothiteHide

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Specific Gravity:

4.635 (Calculated)

Crystal System:

Monoclinic

Name:

Named in honour of Philippe Roth (b. 1963), geophysicist and former head of the 'Forschungsgemeinschaft Lengenbach'. He is a well known expert on the Lengenbach and other Alpine metallic deposits' minerals.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:44003:7

deec2c55-996c-4977-a160-a669eabc3b10

IMA Classification of PhilrothiteHide

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Type description reference:

Bindi, L., Nestola, F., Makovicky, E., Guastoni, A., De Battisti, L. (2014) Tl-bearing sulfosalt from the Lengenbach quarry, Binn Valley, Switzerland: Philrothite, TlAs3S5. Mineralogical Magazine, 78 (1) 1-9 doi:10.1180/minmag.2014.078.1.01

Classification of PhilrothiteHide

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2.HC.05f

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
C : With only Pb

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 PhilrothiteHide

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Comment:

(VHN25) is 128 kg/mm2 (range: 120–137)

Density:

4.635 g/cm3 (Calculated)

Optical Data of PhilrothiteHide

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Anisotropism:

Grey to bluish rotation tints (Under crossed polars)

Reflectivity:

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 28.8%.
R1 shown in black, R2 shown in red

Comments:

Weakly pleochroic from dark grey to light grey

Chemistry of PhilrothiteHide

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Crystallography of PhilrothiteHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 8.013(2) Å, b = 24.829(4) Å, c = 11.762(3) Å
β = 132.84(2)°

Ratio:

a:b:c = 0.323 : 1 : 0.474

Crystal StructureHide

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X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of PhilrothiteHide

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General Appearance of Type Material:

Crystals up to 200 μm across on realgar

Place of Conservation of Type Material:

Museum of Mineralogy, Department of Geosciences, University of Padova, Italy (MMP M12605).

Associated Minerals at Type Locality:

Reference:

Bindi, L., Nestola, F., Makovicky, E., Guastoni, A., de Battisti, L. (2014): Tl-bearing sulfosalt from the Lengenbach quarry, Binn valley, Switzerland: Philrothite, TlAs3S5. Mineralogical Magazine: 78: 1-9.

Synonyms of PhilrothiteHide

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Relationship of Philrothite to other SpeciesHide

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Other Members of this group:

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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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 PhilrothiteHide

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References for PhilrothiteHide

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Reference List:

Bindi, L., Nestola, F., Makovicky, E., Guastoni, A., De Battisti, L. (2014) Tl-bearing sulfosalt from the Lengenbach quarry, Binn Valley, Switzerland: Philrothite, TlAs3S5. Mineralogical Magazine, 78 (1) 1-9 doi:10.1180/minmag.2014.078.1.01

Localities for PhilrothiteHide

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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.