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Haynesite

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Repete Mine, Blanding, San Juan Co., Utah, USA
© Stephan Wolfsried

Show Haynesite Photos (15)
Formula:
(UO
 
2
)
 
3
(OH)
 
2
(SeO
 
3
)
 
2
·5H
 
2
O
System:OrthorhombicHardness:1½ - 2
Name:Named after Mr. Patrick Haynes, Geologist, formerly from Colorado, now living in Las Vegas. He exlored old mines in the uravan belt and discovered several new mineral species.
This page provides mineralogical data about Haynesite.

Classification of Haynesite

IMA status:Approved
Strunz 8th edition ID:4/K.11-25
Nickel-Strunz 10th (pending) edition ID:4.JJ.25

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
J : Selenites with additional anions, with H2O
Dana 8th edition ID:34.7.7.1

34 : SELENITES, TELLURITES AND SULFITES
7 : Hydrated Selenites, Tellurites and Sulfites containing Hydroxyl or Halogen
Hey's CIM Ref.:28.1.6

28 : Selenites, Selenates, Tellurites, and Tellurates
1 : Selenites
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Type Occurrence of Haynesite

Type Locality:Repete Mine, Blanding, San Juan Co., Utah, USA
Year of Discovery:1991

Physical Properties of Haynesite

Hardness (Mohs):1½ - 2

Crystallography of Haynesite

Crystal System:Orthorhombic
Cell Parameters:a = 8.02Å, b = 17.43Å, c = 6.93Å
Ratio:a:b:c = 0.46 : 1 : 0.398
Unit Cell Volume:V 968.73 ų (Calculated from Unit Cell)

Optical Data of Haynesite

Type:Biaxial (-)
RI values: nα = 1.618 nβ = 1.783 nγ = 1.785
2V:Measured: 45° , Calculated: 10°
Maximum Birefringence:δ = 0.167

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r > v

Chemical Properties of Haynesite

Formula:
(UO
 
2
)
 
3
(OH)
 
2
(SeO
 
3
)
 
2
·5H
 
2
O
Essential elements:H, O, Se, U
All elements listed in formula:H, O, Se, U

Relationship of Haynesite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.JJ.05Marthozite
Cu(UO
 
2
)
 
3
(SeO
 
3
)
 
3
(OH)
 
2
·7H
 
2
O
4.JJ.10Guilleminite
Ba(UO
 
2
)
 
3
(SeO
 
3
)
 
2
(OH)
 
4
·3H
 
2
O
4.JJ.15Piretite
Ca(UO
 
2
)
 
3
(SeO
 
3
)
 
2
(OH)
 
4
 ·4H
 
2
O
4.JJ.20Demesmaekerite
Pb
 
2
Cu
 
5
(UO
 
2
)
 
2
(SeO
 
3
)
 
6
(OH)
 
6
·2H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
28.1.1Chalcomenite
Cu[SeO
 
3
] · 2H
 
2
O
28.1.2Clinochalcomenite
Cu[SeO
 
3
] · 2H
 
2
O
28.1.3Francisite
Cu
 
3
Bi(SeO
 
3
)
 
2
O
 
2
Cl
28.1.4Sophiite
Zn
 
2
[Cl
 
2
|SeO
 
3
]
28.1.5Molybdomenite
PbSeO
 
3
28.1.7Derriksite
Cu
 
4
UO
 
2
(SeO
 
3
)
 
2
(OH)
 
6
·H
 
2
O
28.1.8Marthozite
Cu(UO
 
2
)
 
3
(SeO
 
3
)
 
3
(OH)
 
2
·7H
 
2
O
28.1.9Guilleminite
Ba(UO
 
2
)
 
3
(SeO
 
3
)
 
2
(OH)
 
4
·3H
 
2
O
28.1.10Demesmaekerite
Pb
 
2
Cu
 
5
(UO
 
2
)
 
2
(SeO
 
3
)
 
6
(OH)
 
6
·2H
 
2
O
28.1.11Mandarinoite
Fe
 
2
Se
 
3
O
 
9
·4H
 
2
O
28.1.12Cobaltomenite
Co[SeO
 
3
] · 2H
 
2
O
28.1.13Ahlfeldite
(Ni,Co)[SeO
 
3
] · 2H
 
2
O

Other Names for Haynesite

Synonyms:
IMA1990-023IMA1990-024
Other Languages:
German:Haynesit
Spanish:Haynesita

Other Information

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

References for Haynesite

Reference List:New Minerals (1997), New Minerals 1990-1994.

Canadian Mineralogist: 29: 561-564.

Neues Jahrbuch für Mineralogie, Monatshefte (1999): 241-252.

Internet Links for Haynesite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Haynesite in the Natural History Museum (London) online catalogue
  • Haynesite details from Handbook of Mineralogy (PDF)
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    Localities for Haynesite

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    USA
     
    • Utah
      • San Juan Co.
        • Blanding
    		Canadian Mineralogist: 29: 561-564.
    Mineral and/or Locality
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