Jonesite
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About Jonesite
Formula:
Ba4(K,Na)2Ti4Al2(Si3O9)2(SiO4)4O2 · 6H2O
Colour:
Colorless
Hardness:
3 - 4
Specific Gravity:
3.25
Crystal System:
Orthorhombic
Name:
Named in honor of Francis Tucker Jones (1905 - 1993), Research Chemical Microscopist at Berkeley, California, USA, who discovered the mineral.
This page provides mineralogical data about Jonesite.
Classification of Jonesite
Approved
First Published:
1977
8/E.03-10
9.DJ.30
9 : SILICATES (Germanates)
D : Inosilicates
J : Inosilicates with 4-periodic double and triple chains
9 : SILICATES (Germanates)
D : Inosilicates
J : Inosilicates with 4-periodic double and triple chains
61.2.2.1
61 : CYCLOSILICATES Six-Membered Rings
2 : Six-Membered Rings with Al substituted rings
61 : CYCLOSILICATES Six-Membered Rings
2 : Six-Membered Rings with Al substituted rings
16.14.6
16 : Silicates Containing Aluminum and other Metals
14 : Aluminosilicates of Ti, Zr, Sn and Pb
16 : Silicates Containing Aluminum and other Metals
14 : Aluminosilicates of Ti, Zr, Sn and Pb
Physical Properties of Jonesite
Colour:
Colorless
Hardness:
3 - 4 on Mohs scale
Cleavage:
Distinct/Good
{010}
{010}
Density:
3.25 g/cm3 (Measured) 3.239 g/cm3 (Calculated)
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.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively weak
Chemical Properties of Jonesite
Formula:
Ba4(K,Na)2Ti4Al2(Si3O9)2(SiO4)4O2 · 6H2O
IMA Formula:
KBa2Ti2(Si5Al)O18 · nH2O
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 V:
3,769.43 ų (Calculated from Unit Cell)
Type Occurrence of Jonesite
General Appearance of Type Material:
Rosettes of bladed crystals
Place of Conservation of Type Material:
University of California, Santa Barbara, California, 7325.
American Museum of Natural History, New York, New York, USA.
American Museum of Natural History, New York, New York, USA.
Reference:
Wise, W.S., Pabst, A., Hinthorne, J.R. (1977) Jonesite a new mineral from the Benitoite Gem mine, San Benito County, California. The Mineralogical Record: 8: 453-456.
Synonyms of Jonesite
Other Language Names for Jonesite
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Nickel-Strunz Grouping
| 9.DJ.05 | Narsarsukite | Na4(Ti,Fe)2[Si8O20](O,OH,F)2 | Tet. |
| 9.DJ.10 | Laplandite-(Ce) | Na4CeTiPO4Si7O18 · 5H2O | |
| 9.DJ.15 | Caysichite-(Y) | Ca2Y2Si4O10(CO3)3 · 4H2O | Orth. mm2 |
| 9.DJ.20 | Seidite-(Ce) | Na4(Ce,Sr)2Ti[(O,OH,F)5|Si8O18(OH)] · 5H2O | Mon. |
| 9.DJ.25 | Carlosturanite | (Mg,Fe,Ti)21(Si,Al)12O28(OH)34•H2O | Mon. |
Related Minerals - Hey's Chemical Index of Minerals Grouping
| 16.14.1 | Zorite | Na8(Ti,Nb)5(Si6O17)2(OH,O)5 · 14H2O | Orth. |
| 16.14.2 | Vinogradovite | Na4Ti4(Si2O6)2[(Si,Al)4O10]O4 · (H2O,Na,K)3 | Mon. 2/m : B2/b |
| 16.14.3 | Rhönite | Ca2(Mg,Fe2+,Fe3+,Ti)6[O2|(Si,Al)6O18] | Tric. 1 : P1 |
| 16.14.4 | Kaersutite | {Na}{Ca2}{Mg3AlTi}(Al2Si6O22)O2 | Mon. |
| 16.14.5 | Ferro-kaersutite | {Na}{Ca2}{Fe2+3AlTi}(Al2Si6O22)O2 | Mon. |
| 16.14.7 | Lourenswalsite | (K,Ba)2(Ti,Mg,Ca,Fe)4(Si,Al,Fe)6O14(OH)12 | Hex. |
| 16.14.8 | Labuntsovite-Mn | Na4K4(Ba,K)2Mn2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10-12H2O | Mon. |
| 16.14.9 | Kimzeyite | Ca3(Zr,Ti)2((Si,Al,Fe3+)O4)3 | Iso. |
| 16.14.10 | Ellenbergerite | Mg6(Mg,Ti,Zr,◻)2(Al,Mg)6Si8O28(OH)10 | Hex. |
| 16.14.11 | Carlosturanite | (Mg,Fe,Ti)21(Si,Al)12O28(OH)34•H2O | Mon. |
| 16.14.12 | Eakerite | Ca2SnAl2Si6O18(OH)2 · 2H2O | Mon. |
| 16.14.13 | Plumalsite | Pb4Al2(SiO3)7 | |
| 16.14.14 | Wickenburgite | CaPb3Al2Si10O24(OH)6 | Trig. 3m : P3 1c |
| 16.14.15 | Maricopaite | Pb7Ca2(Si,Al)48O100 · 32H2O | Orth. |
| 16.14.16 | Hancockite | {CaPb}{Al2Fe3+}(Si2O7)(SiO4)O(OH) | Mon. |
| 16.14.17 | Burckhardtite | Pb2(Fe3+Te6+)[AlSi3O8]O6 | Trig. 3m (3 2/m) : P3 1m |
| 16.14.18 | Mathewrogersite | Pb7FeAl3GeSi12O36(OH,H2O)6 | Trig. |
Fluorescence of Jonesite
Orange yellow in SW; weak orange yellow in LW
Other Information
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:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Wise, W.S., Pabst, A. (1977) Jonesite: a new mineral from the benitoite gem mine, San Benito County, California. Mineralogical Record: 8: 455-456.
Krivovichev, S.V., Armbruster, T. (2004) The crystal structure of jonesite, Ba2(K,Na)[Ti2(Si5Al)O18(H2O)](H2O)n: a first example of titanosilicate with porous double layers. American Mineralogist: 89: 314-318.
Internet Links for Jonesite
mindat.org URL:
https://www.mindat.org/min-2112.html
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Localities for Jonesite
symbol to view information about a locality.
The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Atlantic Ocean | |
| Gablina, I.F., Semkova, T.A., Stepanova, T.V., and Gor'kova, N.V. (2006): Lithology and Mineral Resources 41(1), 27-44. |
Slovakia | |
| Ďuďa,R., et al., 1981: Mineralógia severnej časti Slanských vrchov. Min.Slovaca, Monografia 2, 98s |
USA (TL) | |
| 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. |
California State Gem Mine, Santa Rita Peak, New Idria District, Diablo Range, San Benito Co., California, USA