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Agaite

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Formula:
Pb3CuTeO5(OH)2(CO3)
Colour:
Blue
Lustre:
Adamantine
Specific Gravity:
6.987 (Calculated)
Crystal System:
Orthorhombic
Name:
Named by A.R. Kampf, S.J. Mills, R.M. Housley, and J. Marty in 2012 for the type locality, Aga mine, which itself was named after A.G. Andrews, one of two people that developed the deposit.
Known from only one specimen.


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Classification of AgaiteHide

Approved
Approval Year:
2012
First Published:
2013

Physical Properties of AgaiteHide

Adamantine
Colour:
Blue
Streak:
Pale blue
Tenacity:
Brittle
Cleavage:
Perfect
on {010}
Fracture:
Irregular/Uneven
Density:
6.987 g/cm3 (Calculated)

Optical Data of AgaiteHide

Type:
Biaxial (-)
RI values:
nα = 2.015 nβ = 2.065 nγ = 2.070
2V:
Measured: 34° (5)
Max Birefringence:
δ = 0.055
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Pleochroism:
Visible
Comments:
X = pale blue, Y and Z = blue; X < Y = Z

Chemical Properties of AgaiteHide

Formula:
Pb3CuTeO5(OH)2(CO3)
IMA Formula:
Pb3Cu2+Te6+O5(OH)2(CO3)

Crystallography of AgaiteHide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Pca21
Setting:
Pca21
Cell Parameters:
a = 10.6522(7) Å, b = 9.1630(5) Å, c = 9.6011(7) Å
Ratio:
a:b:c = 1.163 : 1 : 1.048
Unit Cell V:
937.12 ų
Z:
4
Morphology:
Blades flattened on {010} and probably elongated on <001>, up to about 20 μm thick and 200 μm in length.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.26 (28)
4.165 (14)
3.303 (100)
2.747 (68)
2.571 (14)
2.081 (21)
2.031 (17)
1.747 (40)

Type Occurrence of AgaiteHide

General Appearance of Type Material:
on quartz
Place of Conservation of Type Material:
Mineral Sciences Department, Natural History Museum of Los Angeles County, Los Angeles, California, USA, catalogue number 63590
Geological Setting of Type Material:
Quartz vein Au-Ag-Cu-Pb-Te deposit hosted in granite.
Associated Minerals at Type Locality:

Synonyms of AgaiteHide

Other Language Names for AgaiteHide

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.

References for AgaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kampf, A.R., Mills, S.J., Housley, R.M., Marty, J. (2012) Agaite, IMA 2011-115. CNMNC Newsletter No. 13, June 2012, page 812; Mineralogical Magazine: 76: 807-817.
Kampf, A.R., Mills, S.J., Housley, R.M., Marty, J. (2013) Lead-tellurium oxysalts from Otto Mountain near Baker, California: IX. Agaite, Pb3Cu2+Te6+O5(OH)2(CO3), a new mineral with CuO5-TeO6 polyhedral sheets. American Mineralogist: 98: 512–517.

Internet Links for AgaiteHide

Localities for AgaiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
USA (TL)
 
  • California
    • San Bernardino Co.
      • Silver Lake District
        • Soda Mts
          • Baker
            • Otto Mountain
Kampf, A.R., Mills, S.J., Housley, R.M., Marty, J. (2013): Lead-tellurium oxysalts from Otto Mountain near Baker, California: IX. Agaite, Pb3Cu2+Te6+O5(OH)2(CO3), a new mineral with CuO5-TeO6 polyhedral sheets. American Mineralogist, 98, 512–517
Collected by and in the collection of Chuck Adan. Raman analyzed by Bob Housley.
Mineral and/or Locality  
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