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![A pressure-temperature plot of data on CaZnSi 3 O 8 composition obtained o...]()
![Chemographic relations between zinc-feldspar + willemite + <span class="search-highlight">hardystonite</span> + q...]()
![Pressure vs. temperature plot of data on CaZnSi 2 O 6 composition obtained...]()
![Chemographic relations among Zn feldspar + willemite + <span class="search-highlight">hardystonite</span> + quart...]()
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![Time-resolved luminescence spectra of <span class="search-highlight">hardystonite</span> under 355 nm laser excit...]()
![Time-resolved luminescence spectra of <span class="search-highlight">hardystonite</span> under 266 nm laser excit...]()
![Excitation spectra at 77 K of <span class="search-highlight">hardystonite</span> for the emission bands at 400 nm...]()
![Decay of the luminescence band of the <span class="search-highlight">hardystonite</span> at 355 nm under 266 nm l...]()
![SAED patterns of <span class="search-highlight">hardystonite</span> from Franklin Furnace. Stronger and sharper s...]()
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![Projection of ternary and binary phases in the system CaO-ZnO-SiO 2 (in mo...]()
![Projection of ternary and binary phases in the system CaO-ZnO-SiO 2 (in mo...]()
![Time gated luminescence of Pb 2+ in minerals. (1–3) luminescence emission ...]()
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1-20 OF 50 RESULTS FOR
hardystonite
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1
Journal Article
Hardystonite from Franklin Furnace: A natural modulated melilite
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 May 2001
American Mineralogist (2001) 86 (5-6): 747–751.
...Luca Bindi; Michael Czank; François Röthlisberger; Paola Bonazzi Abstract Natural hardystonite, (Ca 1.85 Na 0.14 Pb 0.01 )(Zn 0.85 Al 0.07 Mg 0.03 Mn 3+ 0.04 Fe 3+ 0.02 )Si 2.00 O 7.00 , from the type locality was reinvestigated with single crystal X-ray diffraction, microprobe analysis...
FIGURES
Image
A pressure-temperature plot of data on CaZnSi 3 O 8 composition obtained o...
in Stability and phase relations of Ca[ZnSi 3 ]O 8 , a new phase with feldspar structure in the system CaO-ZnO-SiO 2
> American Mineralogist
Published: 01 January 2001
F igure 3. A pressure-temperature plot of data on CaZnSi 3 O 8 composition obtained on reaction 1, 4 Zn feldspar = willemite + 2 hardystonite + 7 quartz. Symbol: open squares = willemite + hardystonite + quartz; filled squares = Zn feldspar; open triangle = willemite + hardystonite + Liquid
Image
Chemographic relations between zinc-feldspar + willemite + hardystonite + q...
in Petedunnite (CaZnSi 2 O 6 ): Stability and phase relations in the system CaO-ZnO-SiO 2
> American Mineralogist
Published: 01 April 2012
Figure 5 Chemographic relations between zinc-feldspar + willemite + hardystonite + quartz + petedunnite. Reactions: (1) 4 petedunnite = willemite + 2 hardystonite + 3 quartz [zfsp]; (2) petedunnite + quartz = zinc-feldspar [hard, wil]; (3) 3 petedunnite = hardystonite + willemite + zinc-feldspar
Image
Pressure vs. temperature plot of data on CaZnSi 2 O 6 composition obtained...
in Petedunnite (CaZnSi 2 O 6 ): Stability and phase relations in the system CaO-ZnO-SiO 2
> American Mineralogist
Published: 01 April 2012
Figure 3 Pressure vs. temperature plot of data on CaZnSi 2 O 6 composition obtained for reaction 1: 4 petedunnite = willemite + 2 hardystonite + 3 quartz. Symbols: open diamonds, willemite + hardystonite + quartz; filled diamonds, petedunnite; upward triangle, petedunnite + quartz + liquid
Image
Chemographic relations among Zn feldspar + willemite + hardystonite + quart...
in Stability and phase relations of Ca[ZnSi 3 ]O 8 , a new phase with feldspar structure in the system CaO-ZnO-SiO 2
> American Mineralogist
Published: 01 January 2001
F igure 5. Chemographic relations among Zn feldspar + willemite + hardystonite + quartz + petedunnite. Reactions: (1) 4 Zn feldspar = willemite + 2 hardystonite + 7 quartz (pd); (2) willemite + 2 hardystonite + 3 quartz = 4 petedunnite (zfsp); (3) Zn feldspar = petedunnite + quartz (hard, wil
Journal Article
Stability and phase relations of Ca[ZnSi 3 ]O 8 , a new phase with feldspar structure in the system CaO-ZnO-SiO 2
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 January 2001
American Mineralogist (2001) 86 (1-2): 21–28.
...F igure 3. A pressure-temperature plot of data on CaZnSi 3 O 8 composition obtained on reaction 1, 4 Zn feldspar = willemite + 2 hardystonite + 7 quartz. Symbol: open squares = willemite + hardystonite + quartz; filled squares = Zn feldspar; open triangle = willemite + hardystonite + Liquid...
FIGURES
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Journal Article
Glaucochroite (olivine, CaMnSiO 4 ) from Franklin, New Jersey; its composition, occurrence, and formation
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 April 1987
American Mineralogist (1987) 72 (3-4): 423–428.
...Peter B. Leavens; Pete J. Dunn; Donald M. Burt Abstract Glaucochroite, CaMnSiO 4 , is a member of the olivine group, known primarily from the Zn-Mn-Fe deposit at Franklin, New Jersey. Euhedral crystals occur in a number of assemblages with nasonite, willemite, clinohedrite, hardystonite, diopside...
Image
Time-resolved luminescence spectra of hardystonite under 355 nm laser excit...
in Laser-induced time-resolved luminescence spectroscopy of Pb 2+ in minerals
> European Journal of Mineralogy
Published: 01 November 2002
Fig. 1. Time-resolved luminescence spectra of hardystonite under 355 nm laser excitation: a - practically steady-state spectrum with dominant Ce 3+ luminescence; b - after delay time of 500 ns the Ce 3+ short decay time is quenched and Dy 3+ , Tb 3+ and Sm 3+ with much longer decay times
Image
Time-resolved luminescence spectra of hardystonite under 266 nm laser excit...
in Laser-induced time-resolved luminescence spectroscopy of Pb 2+ in minerals
> European Journal of Mineralogy
Published: 01 November 2002
Fig. 2. Time-resolved luminescence spectra of hardystonite under 266 nm laser excitation: a - practically steady-state spectrum with dominant narrow short-lived UV band at 355 nm; b - after delay of 2 μs the intensity of UV band is lower and previously hidden triva-lent REE appears including Gd 3+ .
Image
Excitation spectra at 77 K of hardystonite for the emission bands at 400 nm...
in Laser-induced time-resolved luminescence spectroscopy of Pb 2+ in minerals
> European Journal of Mineralogy
Published: 01 November 2002
Fig. 3. Excitation spectra at 77 K of hardystonite for the emission bands at 400 nm (a) and 355 nm (b).
Image
Decay of the luminescence band of the hardystonite at 355 nm under 266 nm l...
in Laser-induced time-resolved luminescence spectroscopy of Pb 2+ in minerals
> European Journal of Mineralogy
Published: 01 November 2002
Fig. 7. Decay of the luminescence band of the hardystonite at 355 nm under 266 nm laser excitation at different temperatures.
Image
SAED patterns of hardystonite from Franklin Furnace. Stronger and sharper s...
Published: 01 May 2001
F igure 2. SAED patterns of hardystonite from Franklin Furnace. Stronger and sharper satellites are observed in the regions where composition approaches the Ca 2 ZnSi 2 O 7 end-member ( a ); Pb-richer regions ( b ) exhibit weaker and diffuse satellites. Electron beam along [001].
Journal Article
Larsenite and calcium-larsenite, new members of the chrysolite group, from Franklin, New Jersey. (Preliminary notice)
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 April 1928
American Mineralogist (1928) 13 (4): 142–144.
... in part, and filled or lined by a com plex of minerals, including clinohedrite, hodgkinsonite, willemite, roeblingite, hardystonite, garnet, zincite, calcite, bementite, and neotocite. Larsenite is in slender prism atic crystals, the last crystallization in a few cavities; the more abundant calcium...
Journal Article
Petedunnite (CaZnSi 2 O 6 ): Stability and phase relations in the system CaO-ZnO-SiO 2
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 April 2012
American Mineralogist (2012) 97 (4): 739–749.
...Figure 5 Chemographic relations between zinc-feldspar + willemite + hardystonite + quartz + petedunnite. Reactions: (1) 4 petedunnite = willemite + 2 hardystonite + 3 quartz [zfsp]; (2) petedunnite + quartz = zinc-feldspar [hard, wil]; (3) 3 petedunnite = hardystonite + willemite + zinc-feldspar...
FIGURES
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Image
Projection of ternary and binary phases in the system CaO-ZnO-SiO 2 (in mo...
in Petedunnite (CaZnSi 2 O 6 ): Stability and phase relations in the system CaO-ZnO-SiO 2
> American Mineralogist
Published: 01 April 2012
Figure 1 Projection of ternary and binary phases in the system CaO-ZnO-SiO 2 (in mol%). Abbreviations are wollastonite (wol), willemite (wil), zinc-clinopyroxene (zcpx), hardystonite (har), petedunnite (pd), and zinc-feldspar (zfsp).
Image
Projection of ternary and binary phases in the system CaO-ZnO-SiO 2 (in mo...
in Stability and phase relations of Ca[ZnSi 3 ]O 8 , a new phase with feldspar structure in the system CaO-ZnO-SiO 2
> American Mineralogist
Published: 01 January 2001
F igure 1. Projection of ternary and binary phases in the system CaO-ZnO-SiO 2 (in mole percent). Abbreviations are: wollastonite (wol), willemite (wil), Zn clinopyroxene (zcpx), hardystonite (har), petedunnite (pd), and Zn feldspar (zfsp).
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Time gated luminescence of Pb 2+ in minerals. (1–3) luminescence emission ...
Published: 01 January 2014
Figure 8 Time gated luminescence of Pb 2+ in minerals. (1–3) luminescence emission spectra laser excited at 355 nm from hardystonite (Franklin, New Jersey) recorded at different delay and gate timing, separates different activator contributions. (4) Emission excited at 266 nm gives rise
Journal Article
Laser-induced time-resolved luminescence spectroscopy of Pb 2+ in minerals
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 November 2002
European Journal of Mineralogy (2002) 14 (6): 1041–1048.
...Fig. 1. Time-resolved luminescence spectra of hardystonite under 355 nm laser excitation: a - practically steady-state spectrum with dominant Ce 3+ luminescence; b - after delay time of 500 ns the Ce 3+ short decay time is quenched and Dy 3+ , Tb 3+ and Sm 3+ with much longer decay times...
FIGURES
| View All (8)
Journal Article
Tetrahedrally coordinated Co 2+ in oxides and silicates: Effect of local environment on optical properties
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 August 2014
American Mineralogist (2014) 99 (8-9): 1736–1745.
... strength and interelectronic repulsion can be appreciated in gahnite, Ca-Sr-hardystonite, Ca-Sr-Ba-åkermanite, willemite, Ba 2 MgSi 2 O 7 melilite-related (where Co 2+ substitutes Mg 2+ or Zn 2+ by 0.25–0.3 apfu) as well as in gehlenite and fresnoite (where Co 2+ substitutes Al 3+ and Ti 4+ , respectively...
FIGURES
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Journal Article
PRIMARY PHASES AND NATURAL WEATHERING OF OLD LEAD–ZINC PYROMETALLURGICAL SLAG FROM PŘÍBRAM, CZECH REPUBLIC
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 June 2001
The Canadian Mineralogist (2001) 39 (3): 873–888.
...-members of the spinel (gahnite, up to 19.9 wt% ZnO) and silicates ( e.g. , hardystonite, up to 10.5 wt% ZnO). Lead, in contrast, behaves as an “incompatible element” and is likely to be concentrated in the residual matrix glass. Two distinct glasses were identified: (i) transparent (surface) glass from...
FIGURES
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