Driekopite (original) (raw)

A valid IMA mineral species

Specific Gravity:

12.91 (Calculated)

Unique IdentifiersHide

This section is currently hidden. Click the show button to view.

Long-form identifier:

mindat:1:1:470485:6

606090ed-86d7-4738-b80e-05c1297c8f60

IMA Classification of DriekopiteHide

This section is currently hidden. Click the show button to view.

Type description reference:

McDonald, Andrew M., Cabri, Louis J., Tamura, Nobumichi, Melcher, Frank, Vymazalová, Anna V. (2023) Driekopite, ideally PtBi, a new mineral species from the Driekop platinum pipe, Republic of South Africa. The Canadian Journal of Mineralogy and Petrology, 61 (3) 537-547 doi:10.3749/2300005

Classification of DriekopiteHide

This section is currently hidden. Click the show button to view.

1.AG.

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
G : PGE-metal alloys

Mineral SymbolsHide

This section is currently hidden. Click the show button to view.

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

Physical Properties of DriekopiteHide

This section is currently hidden. Click the show button to view.

Hardness:

VHN15=301 kg/mm2 - Vickers

Density:

12.91 g/cm3 (Calculated)

Optical Data of DriekopiteHide

This section is currently hidden. Click the show button to view.

Anisotropism:

Moderate to strong

Bireflectance:

Moderate to strong, light yellow to brownish yellow

Colour in reflected light:

Slightly orange (compared to Pt-Fe alloys)

Internal Reflections:

None

Pleochroism:

Non-pleochroic

Chemistry of DriekopiteHide

This section is currently hidden. Click the show button to view.

Chemical AnalysisHide

This section is currently hidden. Click the show button to view.

Empirical formulas:

Sample references:

Crystallography of DriekopiteHide

This section is currently hidden. Click the show button to view.

Class (H-M):

6/m m m _(_6/_m_2/_m_2/m ) - Dihexagonal Dipyramidal

Cell Parameters:

a = 4.1993(5) Å, c = 5.6194(6) Å

Comment:

in situ X-ray diffraction data were collected using synchrotron radiation

X-Ray Powder DiffractionHide

This section is currently hidden. Click the show button to view.

Powder Diffraction Data:

Comments:

From Type Description.

Type Occurrence of DriekopiteHide

This section is currently hidden. Click the show button to view.

General Appearance of Type Material:

Grain, ∼ 22 × 13 μm, within a complex, rounded aggregate (∼120 μm in diameter).

Place of Conservation of Type Material:

Type material is deposited in the collections of the Canadian Museum of Nature, 1740 Pink Road, Gatineau, QC, Canada, catalogue number CMNMC 90261

Geological Setting of Type Material:

Concentrate derived from Pt pipes cutting layered (ultra)mafic rocks.

Associated Minerals at Type Locality:

Synonyms of DriekopiteHide

This section is currently hidden. Click the show button to view.

Related Minerals - Strunz-mindat GroupingHide

This section is currently hidden. Click the show button to view.

Other InformationHide

This section is currently hidden. Click the show button to view.

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 DriekopiteHide

This section is currently hidden. Click the show button to view.

References for DriekopiteHide

This section is currently hidden. Click the show button to view.

Reference List:

McDonald, Andrew M., Cabri, Louis J., Tamura, Nobumichi, Melcher, Frank, Vymazalová, Anna V. (2023) Driekopite, ideally PtBi, a new mineral species from the Driekop platinum pipe, Republic of South Africa. The Canadian Journal of Mineralogy and Petrology, 61 (3) 537-547 doi:10.3749/2300005

Localities for DriekopiteHide

This section is currently hidden. Click the show button to view.

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

This section is currently hidden. Click the show button to view.

- 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.