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Popovite

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About PopoviteHide

Formula:
Cu5O2(AsO4)2
Colour:
olive green to dark olive-green
Lustre:
Vitreous, Greasy
Hardness:
Specific Gravity:
5.30 (Calculated)
Crystal System:
Triclinic
Name:
Popovite is named in honour of the Russian mineralogists Vladimir Anatol'evich Popov (b. 1941) and Valentina Ivanovna Popova (b. 1941), a husband and wife research team working in the Institute of Mineralogy of the Urals Branch of the Russian Academy of Sciences, Miass, Russia.
This page provides mineralogical data about Popovite.


Classification of PopoviteHide

Approved
Approval Year:
2013

Physical Properties of PopoviteHide

Vitreous, Greasy
Transparency:
Transparent
Colour:
olive green to dark olive-green
Comment:
fine-grained varieties are light yellow-green
Hardness:
3½ on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
5.30 g/cm3 (Calculated)

Optical Data of PopoviteHide

Type:
Biaxial (+)
RI values:
nα = 1.840(1) nβ = 1.860(1) nγ = 1.960(1)
2V:
Measured: 50° (30)
Max Birefringence:
δ = 0.120
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of PopoviteHide

Formula:
Cu5O2(AsO4)2

Crystallography of PopoviteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 5.1450(3) Å, b = 6.2557(3) Å, c = 6.2766(4) Å
α = 100.064(5)°, β = 96.351(5)°, γ = 95.100(5)°
Ratio:
a:b:c = 0.822 : 1 : 1.003
Unit Cell V:
196.47 ų (Calculated from Unit Cell)
Z:
1

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.715(36)
3.465(43)
2.968(90)
2.927(100)
2.782(31)
2.768(67)
2.513(55)
2.462(67)
Comments:
From Type Description.

Type Occurrence of PopoviteHide

General Appearance of Type Material:
prismatic or tabular crystals and as grains up to 0.2 mm in size forming clusters up to 1.5 mm in size and as crusts on basalt scoria or on aphthitalite incrustations
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 4390/1
Geological Setting of Type Material:
Fumeroles

Synonyms of PopoviteHide

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 PopoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Pekov, I.V., Zubkova, N.V., Yapaskurt, V.O., Belakovskiy, D.I., Vigasina, M.F., Sidorov, E.G. and Pushcharovsky, D.Y. (2013) Popovite, IMA 2013-060. CNMNC Newsletter No. 17, October 2013, page 3003; Mineralogical Magazine, 77, 2997-3005.
Pekov, I. V., Zubkova, N. V., Yapaskurt, V. O., Belakovskiy, D. I., Vigasina, M. F., Sidorov, E. G., & Pushcharovsky, D. Y. (2015). New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. III. Popovite, Cu5O2 (AsO4) 2. Mineralogical Magazine, 79(1), 133-143.

Internet Links for PopoviteHide

Localities for PopoviteHide

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.
Russia (TL)
 
  • Kamchatka Krai
    • Tolbachik volcano
      • Great Fissure eruption (Main Fracture)
        • Northern Breakthrough (North Breach)
          • Second scoria cone
Pekov, I.V., Zubkova, N.V., Yapaskurt, V.O., Belakovskiy, D.I., Vigasina, M.F., Sidorov, E.G. and Pushcharovsky, D.Y. (2013) Popovite, IMA 2013-060. CNMNC Newsletter No. 17, October 2013, page 3003; Mineralogical Magazine, 77, 2997-3005.
Mineral and/or Locality  
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