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Sanguite

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About SanguiteHide

Formula:
KCuCl3
Colour:
Bright red
Lustre:
Vitreous
Hardness:
3
Specific Gravity:
2.86
Crystal System:
Monoclinic
Name:
The mineral is named from the Latin sanguis (blood), alluding to its color.
(NH4)CdCl3 structure type.

The structure is based on almost planar and discrete [Cu2+2Cl6] dimers. There are also KCl9 polyhedra that share faces to form interrupted layers; the layers are linked to each other by the common edges of the K-bearing polyhedra.


Classification of SanguiteHide

Approved
Approval Year:
2013

Physical Properties of SanguiteHide

Vitreous
Transparency:
Transparent
Colour:
Bright red
Comment:
Slightly altered samples are dark red to brownish red
Hardness:
Tenacity:
Brittle
Cleavage:
Perfect
on (010)
Fracture:
Step-Like
Density:
2.86(1) g/cm3 (Measured)    2.88 g/cm3 (Calculated)

Optical Data of SanguiteHide

Type:
Biaxial (-)
RI values:
nα = 1.653(3) nβ = 1.780(6) nγ = 1.900(8)
2V:
Measured: 85° (5)
Max Birefringence:
δ = 0.247
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of SanguiteHide

Formula:
KCuCl3

Crystallography of SanguiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 4.0281(2) Å, b = 13.7906(5) Å, c = 8.7335(4) Å
γ = 97.137(4)°
Ratio:
a:b:c = 0.292 : 1 : 0.633
Unit Cell V:
481.38 ų
Z:
4
Morphology:
Prismatic crystals up to 1 mm long and up to 0.2 mm thick, groups, crust. Crystal forms are {011}, {100}, and {010}.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.36(78)
6.92(100)
3.684(69)
3.146(64)
3.068(63)
2.857(73)
2.709(82)
2.574(56)
Comments:
From Type Description.

Type Occurrence of SanguiteHide

General Appearance of Type Material:
Prismatic crystals up to 1 mm long and up to 0.2 mm thick, typically combined in groups, dense clusters, or crusts up to several dozens of cm2 in area
Place of Conservation of Type Material:
Type material is deposited in the collections of the collections of the Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 4363/1
Geological Setting of Type Material:
volcanic fumarole
Associated Minerals at Type Locality:

Synonyms of SanguiteHide

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 SanguiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Willett, Roger D.; Dwiggins, Claudius, Jr.; Kruh, R. F.; Rundle, R. E. (1963): Crystal Structures of KCuCl3 and NH4CuCl3. Journal of Chemical Physics: 38: 2429-2436
Pekov, I.V., Zubkova, N.V., Belakovskiy, D.I., Lykova, I.S., Vigasina, M.F., Sidorov, E.G. and Pushcharovsky, D.Y. (2013) Sanguite, IMA 2013-002. CNMNC Newsletter No. 16, August 2013, page 2701; Mineralogical Magazine: 77: 2695-2709
Pekov, I.V., Zubkova, N.V., Belakovskiy, D.I., Lykova, I.S., Yapaskurt, V.O., Vigasina, M.F., Sidorov, E.G., Pushcharovsky, D.Yu. (2015): Sanguite, KCuCl3, A New Mineral From the Tolbachik Volcano, Kamchatka, Russia. Canadian Mineralogist: 53: 633-641

Internet Links for SanguiteHide

Localities for SanguiteHide

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)
 
  • Far-Eastern Region
    • Kamchatka Oblast'
      • Tolbachik volcano
        • Great Fissure eruption (Main Fracture)
          • Northern Breakthrough (North Breach)
            • Second scoria cone
Pekov, I.V., Zubkova, N.V., Belakovskiy, D.I., Lykova, I.S., Yapaskurt, V.O., Vigasina, M.F., Sidorov, E.G., Pushcharovsky, D.Yu. (2015): Sanguite, KCuCl3, A New Mineral From the Tolbachik Volcano, Kamchatka, Russia. Canadian Mineralogist, 53, 633-641
Mineral and/or Locality  
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