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Jonesite

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Jonesite

California State Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Jonesite

California State Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Jonesite

California State Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Jonesite

California State Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Jonesite

California State Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Jonesite

California State Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Jonesite

California State Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Jonesite

California State Gem Mine, Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA
Formula:
KBa2Ti2(Si5Al)O18 · nH2O
System:
Orthorhombic
Hardness:
3 - 4
This page provides mineralogical data about Jonesite.


Classification of Jonesite

IMA status:
Approved
Strunz 8th ed.:
8/E.03-10
Nickel-Strunz 10th (pending) ed.:
9.DJ.30

9 : SILICATES (Germanates)
D : Inosilicates
J : Inosilicates with 4-periodic double and triple chains
Dana 8th ed.:
61.2.2.1

61 : CYCLOSILICATES Six-Membered Rings
2 : Six-Membered Rings with Al substituted rings
Hey's CIM Ref.:
16.14.6

16 : Silicates Containing Aluminum and other Metals
14 : Aluminosilicates of Ti, Zr, Sn and Pb

Physical Properties of Jonesite

Hardness (Mohs):
3 - 4

Optical Data of Jonesite

Type:
Biaxial (+)
RI values:
nα = 1.641 nβ = 1.660 nγ = 1.682
Max Birefringence:
δ = 0.041
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively weak

Chemical Properties of Jonesite

IMA Formula:
KBa2Ti2(Si5Al)O18 · nH2O
Elements listed in formula:
Al, Ba, H, K, O, Si, Ti - search for minerals with similar chemistry
Common Impurities:
B,Fe,Nb,Mn,Mg,Ca,Sr

Crystallography of Jonesite

Crystal System:
Orthorhombic
Cell Parameters:
a = 13.73 Å, b = 25.9 Å, c = 10.6 Å
Ratio:
a:b:c = 0.53 : 1 : 0.409
Unit Cell Volume:
V 3,769.43 ų (Calculated from Unit Cell)

Type Occurrence of Jonesite

Type Locality:
California State Gem Mine (Dallas Gem Mine; Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA

Relationship of Jonesite to other Species

Related Minerals - Nickel-Strunz Grouping):
9.DJ.05NarsarsukiteNa2(Ti,Fe3+)Si4(O,F)11
9.DJ.10Laplandite-(Ce)Na4CeTiPSi7O22 · 5H2O
9.DJ.15Caysichite-(Y)(Ca,Yb,Er)4Y4Si8O20(CO3)6(OH) · 7H2O
9.DJ.20Seidite-(Ce)Na4(Ce,Sr)2TiSi8O18(O,OH,F)6 · 5H2O
9.DJ.25Carlosturanite(Mg,Fe2+,Ti)21(Si,Al)12O28(OH)34 · H2O
Related Minerals - Hey's Index Grouping:
16.14.1ZoriteNa6Ti5Si12O34(O,OH)5 · 11H2O
16.14.2VinogradoviteNa4Ti4(Si2O6)2[(Si,Al)4O10]O4 · (H2O,Na,K)3
16.14.3RhöniteCa4(Mg8Fe23+Ti2)O4[Si6Al6O36]
16.14.4KaersutiteNaCa2(Mg3Ti4+Al)(Si6Al2)O22O2
16.14.5Ferro-kaersutite{Na}{Ca2}{Fe32+AlTi}(Al2Si6O22)O2
16.14.7Lourenswalsite(K,Ba)2Ti4(Si,Al)6O14(OH)12
16.14.8Labuntsovite-MnNa4K4Mn22+Ti8O4(Si4O12)4(OH)4 · 10-12H2O
16.14.9KimzeyiteCa3Zr2(Al2Si)O12
16.14.10EllenbergeriteMg6(Mg,Ti,Zr,◻)2(Al,Mg)6Si8O28(OH)10
16.14.11Carlosturanite(Mg,Fe2+,Ti)21(Si,Al)12O28(OH)34 · H2O
16.14.12EakeriteCa2Sn4+Al2Si6O18(OH)2 · 2H2O
16.14.13PlumalsitePb4Al2(SiO3)7
16.14.14WickenburgitePb3CaAl2Si10O27 · 4H2O
16.14.15MaricopaiteCa2Pb7(Si36Al12)O99 · n(H2O,OH)
16.14.16HancockiteCaPbFe3+Al2(Si2O7)(SiO4)O(OH)
16.14.17BurckhardtitePb2(Fe3+Te6+)[AlSi3O8]O6
16.14.18MathewrogersitePb7FeAl3GeSi12O36(OH,H2O)6

Other Names for Jonesite

Synonyms:

IMA1976-040

Name in Other Languages:
German:Jonesit
Spanish:Jonesita

Other Information

Fluorescence in UV light:
Orange yellow in SW; weak orange yellow in LW
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 Jonesite

Reference List:
Wise, W.S. and Pabst, A. (1977) Jonesite: a new mineral from the benitoite gem mine, San Benito County, California. Mineralogical Record: 8: 455-456.

Internet Links for Jonesite

mindat.org URL:
https://www.mindat.org/min-2112.html
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    • Localities for Jonesite

    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.
    (TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
    Atlantic Ocean
     
    • Mid-Atlantic Ridge complex
    		Gablina, I.F., Semkova, T.A., Stepanova, T.V., and Gor'kova, N.V. (2006): Lithology and Mineral Resources 41(1), 27-44.
    Slovakia
     
    • Prešov Region
      • Vranov nad Topľou Co.
    		Ďuďa,R., et al., 1981: Mineralógia severnej časti Slanských vrchov. Min.Slovaca, Monografia 2, 98s
    USA (TL)
     
    • California
      • San Benito Co.
        • Diablo Range
          • New Idria District
            • San Benito River headwaters area
              • Dallas Gem Mine area
    		Wise, W.S & Gill, R.H. (1977): Minerals of the Benitoite Gem mine. The Mineralogical Record 8, 442-452; Wise, W.S. & Pabst, A. (1977): Jonesite a new mineral from the Benitoite Gem mine, San Benito County, California. The Mineralogical Record 8, 453-456; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 472.
    Mineral and/or Locality  
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