Iridium R070258

Name: Iridium
RRUFF ID: R070258
Ideal Chemistry: Ir
Locality: Fox Gulch, Salmon River - Red Mountain district, Goodnews Bay, Bethel Borough, Alaska, USA
Source: Michael Scott S102878 [view label]
Owner: RRUFF
Description: Metallic gray single grain
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Copper (13) ]
Sample Description: Unoriented sample

  To download sample data,
  please select a specific
  orientation angle.

Direction of polarization of laser relative to fiducial mark:
X Min:    X Max:    X Sort:
RRUFF ID: R070258
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
REFERENCES for Iridium

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Tennant S (1804) On two metals, found in the black powder remaining after the solution of platina, Philosophical Transactions of the Royal Society of London, 329, 411-418   [view file]

Harris D C, Cabri L J (1973) The nomenclature of the natural alloys of osmium, iridium and ruthenium based on new compositional data of alloys from world-wide occurrences, The Canadian Mineralogist, 12, 104-112   [view file]

Page N J, Talkington R W (1984) Palladium, platinum, rhodium, ruthenium and iridium in peridotites and chromitites from ophiolite complexes in Newfoundland, The Canadian Mineralogist, 22, 137-149   [view file]

Harris D C, Cabri L J (1991) Nomenclature of platinum-group-element alloys: review and revision, The Canadian Mineralogist, 29, 231-237   [view file]

Jambor J L, Grew E S (1992) New mineral names, American Mineralogist, 77, 207-213   [view file]

Bowles J F W, Suárez S, Prichard H M, Fisher P C (2018) Inclusions in an isoferroplatinum nugget from the Freetown Layered Complex, Sierra Leone, Mineralogical Magazine, 82, 577–592