Mindat Logo
Home Page Log In Messageboard The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Starovaite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
© Brent Thorne 2012




Formula:
KCu
 
5
O(VO
 
4
)
 
3
System:TriclinicColour:Golden brown to reddish ...
Hardness:3½ - 4
Name:After Galina Leonidovna Starova (b. 1946) Russian crystallographer and crystal chemist, associate professor of the Chemical Faculty of St. Petersburg State University, a specialist in single-crystal X-ray diffraction analysis, for her contribution to the crystal chemistry of minerals from the Tolbachik fumaroles.
This page provides mineralogical data about Starovaite .

Classification of Starovaite

IMA status:Approved 2011
mindat.org URL:http://www.mindat.org/min-42872.html
Please feel free to link to this page.

Type Occurrence of Starovaite

Type Locality:Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
General Appearance of Type Material:Prismatic crystals up to 3 x 6 x 20 µm or divergent long-prismatic crystals up to 1 x 3 x 70 µm. The crystals are combined in sprays, sheaf-like aggregates or crusts up to 0.3 x 0.5 mm overgrowing lammerite.
Place of Conservation of Type Material:Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 4196/1
Year of Discovery:2011
Geological Setting of type material:In the sublimates of a fumarole.
Associated Minerals at type locality:
LammeriteHematitePalmieriteTenoritePiypite
RutileOrthoclaseLyonsitePseudolyonsiteLangbeinite
CalciolangbeiniteCupromolybditeLammerite-β

Physical Properties of Starovaite

Lustre:Sub-Metallic
Colour:Golden brown to reddish brown
Streak:Yellowish brown
Hardness (Mohs):3½ - 4
Hardness (Vickers):VHN20=165 - 195 kg/mm2
Tenacity:Brittle
Cleavage:None Observed
Parting:None observed
Fracture:Irregular/Uneven
Density (calculated):4.54 g/cm3

Crystallography of Starovaite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Space Group Setting:P1
Cell Parameters:a = 6.08(4) Å, b = 8.26(5) Å, c = 10.71(6) Å
α = 97.8(1)°, β = 92.4(1)°, γ = 90.4(1)°
Ratio:a:b:c = 0.736 : 1 : 1.297
Unit Cell Volume:V 532 ų
Z:2
X-Ray Powder Diffraction:
d-spacingIntensity
10.65(32)
8.18(46)
3.047(41)
2.745(47)
2.526(100)
2.322(98)
1.867(25)
1.410(23)

Optical Data of Starovaite

Type:Anisotropic
Anisotropism:Weak
Bireflectance:Weak
1.5
Reflectivity:
400nmR1=15.8%R2= 14.6%
420nmR1=15.2%R2= 13.8%
440nmR1=14.8%R2= 13.1%
460nmR1=14.4%R2= 12.6%
480nmR1=14.0%R2= 12.3%
500nmR1=13.7%R2= 12.0%
520nmR1=13.5%R2= 11.8%
540nmR1=13.3%R2= 11.6%
560nmR1=13.1%R2= 11.5%
580nmR1=13.0%R2= 11.4%
600nmR1=12.9%R2= 11.4%
620nmR1=12.8%R2= 11.3%
640nmR1=12.7%R2= 11.3%
660nmR1=12.5%R2= 11.2%
680nmR1=12.4%R2= 11.2%
700nmR1=12.3%R2= 11.1%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 15.8%.
R1 shown in black, R2 shown in red
Colour in reflected light:Grey with a brownish hue
Internal Reflections:Distinct red-brown
Pleochroism:Non-pleochroic

Chemical Properties of Starovaite

Formula:
KCu
 
5
O(VO
 
4
)
 
3
Essential elements:Cu, K, O, V
All elements listed in formula:Cu, K, O, V
Analytical Data:Average of 8 electron-microprobe analyses. Sample from the type locality.
K2O (4.90)
CaO (0.04)
PbO (1.29)
CuO (48.20)
ZnO (5.59)
Al2O3 (0.08)
Fe2O3 (0.10)
P2O5 (0.05)
As2O5 (4.49)
V2O5 (31.89)
SO3 (0.19)
MoO3 (2.34)
Total (99.16)
Empirical Formula:
(K
 
0.76
Pb
 
0.04
Ca
 
0.01
)(Cu
 
4.45
Zn
 
0.51
Al
 
0.01
Fe
 
0.01
)(V
 
2.58
As
 
0.29
Mo
 
0.12
S
 
0.02
P
 
0.01
)O
 
13

Other Names for Starovaite

Synonyms:
IMA2011-085
Other Languages:

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 Starovaite

Reference List:

- +
Pekov, I.V., Zelenski, M.E.,Yapaskurt, V.O., Polekhovsky, Y.S. and Murashko, M.N. (2012): Starovaite, IMA 2011- 085. CNMNC Newsletter No. 12, February 2012, page 153; Mineralogical Magazine, 76, 151-155.

Pekov, I.V., Zelenski, M.E., Yapaskurt, V.O., Polekhovsky, Y.S. and Murashko, M.N. (2013): Starovaite, KCu5O(VO4)3, a new mineral from fumarole sublimates of the Tolbachik volcano, Kamchatka, Russia. European Journal of Mineralogy, 25, 91-96.

Internet Links for Starovaite

Search Engines:
  • Look for Starovaite on Google
  • Look for Starovaite images on Google
    • External Links:
  • Look for Starovaite on Webmineral
  • Look for Starovaite on Athena Mineralogy
  • Look for Starovaite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
    • Mineral Dealers:
  • Search for Starovaite on Well-Arranged Molecules
  • Find Starovaite on www.crystalclassics.co.uk
  • Fabre Minerals - search for Starovaite specimens
  • Starovaite specimens for sale - minfind.com
  • Rare and Unusual minerals at Mineralogical Research Company
  • Fine Minerals from Weinrich Minerals, Inc.
  • webminerals
  • SpiriferMinerals.com - high quality low prices
  • The Arkenstone - Fine Minerals
  • High-end worldwide specimens & outstanding customer service
  • Fine and rare minerals from mintreasure.com
  • Wilensky Fine Minerals
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Starovaite

    The 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.
    Hide Locality List
    (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.
    Russia
     
    • Far-Eastern Region
      • Kamchatka Oblast'
        • Tolbachik volcano
          • Great Fissure (Main Fracture) eruption
            • Northern Breakthrough (North Breach)
              • Second scoria cone
    		Pekov, I.V., Zelenski, M.E.,Yapaskurt, V.O., Polekhovsky, Y.S. and Murashko, M.N. (2012): Starovaite, IMA 2011- 085. CNMNC Newsletter No. 12, February 2012, page 153; Mineralogical Magazine, 76, 151-155.
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 25th May 2013 17:44:34
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds