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Tedhadleyite

A valid IMA mineral species
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00234110017271929549604.jpg
Tedhadleyite

Clear Creek claim, Goat Mountain, San Benito County, California, USA
00234110017271929549604.jpg
Tedhadleyite

Clear Creek claim, Goat Mountain, San Benito County, California, USA
00234110017271929549604.jpg
Tedhadleyite

Clear Creek claim, Goat Mountain, San Benito County, California, USA
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About TedhadleyiteHide

00902580017536092239028.jpg
Ted Hadley
Formula:
[Hg2]2+5Hg2+I2(Cl,Br)2O4
Colour:
Dark red - black
Lustre:
Adamantine, Sub-Metallic
Specific Gravity:
9.43 (Calculated)
Crystal System:
Triclinic
Name:
Named in honor of Ted A. Hadley (b. 1961), amateur mineral collector of Sunnyvale, California. He helped collect the mercury bearing samples that included the type specimen. He was also president of the Bay Area Mineralogists.
Chemically related to CCUK-15.


Unique IdentifiersHide

Mindat ID:
10654
Long-form identifier:
mindat:1:1:10654:0

IMA Classification of TedhadleyiteHide

Classification of TedhadleyiteHide

Strunz-mindat (2025):
3.DD.40

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
D : With Hg
Dana 8th ed.:
10.6.14.

10 : OXYHALIDES AND HYDROXYHALIDES
6 : AmBn(O,OH)pXq

Mineral SymbolsHide

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

SymbolSourceReference
TedIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of TedhadleyiteHide

Lustre:
Adamantine, Sub-Metallic
Transparency:
Translucent, Opaque
Colour:
Dark red - black
Streak:
Red
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
Poor {010}
Fracture:
Irregular/Uneven
Density:
9.43 g/cm3 (Calculated)

Optical Data of TedhadleyiteHide

Anisotropism:
Moderate
Reflectivity:
WavelengthR1 (%)R2 (%)
400nm28.25%29.40%
420nm28.00%29.30%
440nm27.60%29.50%
460nm27.40%29.85%
470nm27.20%30.00%
480nm26.70%29.90%
500nm26.20%29.50%
520nm25.35%28.80%
540nm24.60%27.70%
546nm24.40%27.60%
560nm23.85%26.90%
580nm23.10%25.90%
589nm22.80%25.40%
600nm22.60%25.15%
620nm22.20%24.35%
640nm21.80%24.00%
650nm21.60%23.90%
660nm21.50%23.80%
680nm21.15%23.70%
700nm21.05%23.60%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 30.00%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Bluish white
Internal Reflections:
Deep red to purplish red

Chemistry of TedhadleyiteHide

Mindat Formula:
[Hg2]2+5Hg2+I2(Cl,Br)2O4
Element Weights:
Element% weight
Hg85.022 %
I9.780 %
Cl2.732 %
O2.466 %

Calculated from ideal end-member formula.
Elements listed:
Br, Cl, Hg, I, O - search for minerals with similar chemistry

Crystallography of TedhadleyiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Cell Parameters:
a = 7.0147(5) Å, b = 11.8508(7) Å, c = 12.5985(8) Å
α = 115.583(5)°, β = 82.575(2)°, γ = 100.619(2)°
Ratio:
a:b:c = 0.592 : 1 : 1.063
Unit Cell V:
927.00 ų (Calculated from Unit Cell)
Z:
2
Twinning:
Not observed
Comment:
Space Group: A1 -

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0014591TedhadleyiteCooper M A, Hawthorne F C (2009) The crystal structure of tedhadleyite, Hg2+Hg1+10O4I2(Cl,Br)2. from the Clear Creek Claim, San Benito County, California Mineralogical Magazine 73 227-2342009the Clear Creek Claim, San Benito County, California0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47g : [Halogen-bearing surface weathering minerals]
47h : [Near-surface oxidized, dehydrated minerals]

Type Occurrence of TedhadleyiteHide

Synonyms of TedhadleyiteHide

Other Language Names for TedhadleyiteHide

Simplified Chinese:氧氯碘汞矿
Spanish:Tedhadleyita
Traditional Chinese:氧氯碘汞礦

Related Minerals - Strunz-mindat GroupingHide

3.DD.Mikecoxite[CHg4]OCl2Mon. 2/m
3.DD.05Eglestonite[Hg2]2+3OCl3(OH)Iso. m3m (4/m 3 2/m) : Ia3d
3.DD.05Kadyrelite[Hg2]2+3OBr3(OH)Iso. m3m (4/m 3 2/m) : Ia3d
3.DD.10Poyarkovite[Hg2]2+3Cl2O2Mon. 2/m : B2/b
3.DD.15Hanawaltite[Hg2]2+3Hg2+(Cl,OH)2O3Orth. mmm (2/m 2/m 2/m)
3.DD.20Terlinguaite[Hg3]4+Hg2+Cl2O2Mon. 2/m : B2/m
3.DD.25PinchiteHg2+5Cl2O4Orth. mmm (2/m 2/m 2/m) : Ibam
3.DD.30Gianellaite[(Hg2N)2](SO4)(H2O)xIso. 4 3m : F4 3m
3.DD.30Mosesite(Hg2N)(Cl,SO4,MoO4) · H2OIso. 4 3m : F4 3m
3.DD.35Kleinite(Hg2N)(Cl,SO4) · nH2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.DD.45Vasilyevite[Hg2]2+10I3Br2Cl[CO3]O6Tric. 1 : P1
3.DD.50Aurivilliusite[Hg2]2+Hg2+2(I,Br,Cl)2O2Mon. 2/m : B2/b
3.DD.55TerlinguacreekiteHg2+3Cl2O2Orth.
3.DD.60Kelyanite[Hg]2+6Sb3+BrCl2O6Trig. 3 : P3
3.DD.65ComancheiteHg2+55N3-24(NH2,OH)4(Cl,Br)34Orth.
3.DD.70GaildunningiteHg2+3[NHg2+2]18(Cl,I,OH,Br,S)24Orth. mmm (2/m 2/m 2/m)

Fluorescence of TedhadleyiteHide

In UV light:
Not fluorescent under long and short wave UV

Other InformationHide

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 TedhadleyiteHide

References for TedhadleyiteHide

Localities for TedhadleyiteHide

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 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.
USA (TL)
 
  • California
    • San Benito County
      • Goat Mountain
Roberts et al. (2002)
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