Mazorite
A valid IMA mineral species
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Formula:
Ba3(PO4)2
Colour:
colorless
Lustre:
Vitreous
Hardness:
4½
Specific Gravity:
4.8131 (Calculated)
Crystal System:
Trigonal
Member of:
Name:
In in honour of Professor Emanuel Mazor (March 30, 1933, Cottbous, Germany - 2021), who worked at the Department of Environmental Sciences and Energy Research, Weizmann Institute of Science in Israel.
The Ba analogue of tuite (Ca-dominant) and the P analogue of gurimite (V-dominant). One of the chemically simplest Ba minerals. Not directly analogous with farringtonite (Mg-dominant, monoclinic).
Compare alforsite.
Structure details:
* BaO12, BaO10, and PO4 polyhedra
* all the above are ordered along the c-axis, in the sequence PO4-BaO10-BaO12-BaO10-PO4.
Compare alforsite.
Structure details:
* BaO12, BaO10, and PO4 polyhedra
* all the above are ordered along the c-axis, in the sequence PO4-BaO10-BaO12-BaO10-PO4.
Unique Identifiers
Mindat ID:
56162
Long-form identifier:
mindat:1:1:56162:2
GUID
(UUID V4):
(UUID V4):
ee4111aa-17e1-4cf1-b495-7145094f84e3
IMA Classification of Mazorite
Approved
Approval history:
IMA no. 2022-022
Classification of Mazorite
8.AD.
8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
D : With only large cations
8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
D : With only large cations
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Mzo | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Mazorite
Vitreous
Transparency:
Transparent
Colour:
colorless
Streak:
white
Hardness:
4½ on Mohs scale
Hardness:
VHN100=461 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Distinct/Good
good on (0001)
good on (0001)
Parting:
none
Fracture:
Irregular/Uneven
Density:
4.8131 g/cm3 (Calculated)
Optical Data of Mazorite
Type:
Uniaxial (+)
RI values:
nω = 1.760(3) nε = 1.766(3)
Max Birefringence:
δ = 0.006
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:
High
Optical Extinction:
parallel
Pleochroism:
Non-pleochroic
Comments:
strong anisotropy
Chemistry of Mazorite
Mindat Formula:
Ba3(PO4)2
Elements listed:
Chemical Analysis
Empirical formulas:
Sample ID | Empirical Formula |
---|---|
1 | (Ba2.69K0.22Na0.04Ca0.02Sr0.01)Σ2.98(P1.16V0.57S0.24Al0.04Si0.03)Σ2.04O8 |
Sample references:
ID | Locality | Reference | Notes |
---|---|---|---|
1 | Mazorite type locality, Hatrurim Basin, Tamar Regional Council, Southern District, Israel | via EPMA-WDS; empirical formula basis: 8 oxygen atoms pfu |
Crystallography of Mazorite
Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Setting:
R3m
Cell Parameters:
a = 5.6617(3) Å, c = 21.170(2) Å
Ratio:
a:c = 1 : 3.739
Unit Cell V:
587.69 ų (Calculated from Unit Cell)
Z:
3
Twinning:
none
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.597 Å | (16) |
3.204 Å | (100) |
2.831 Å | (82) |
2.224 Å | (14) |
2.122 Å | (36) |
1.943 Å | (21) |
1.698 Å | (24) |
1.394 Å | (13) |
Geological Environment
Geological Setting:
xenoliths in volcanic rocks.
Type Occurrence of Mazorite
General Appearance of Type Material:
plate crystals up to 70-100 μm in length but also occurs in small aggregates
Place of Conservation of Type Material:
mineralogical collections of the Natural History Museum Bern, Bernastrasse 15, CH-3005, Bern, Switzerland, inventory number NMBE 44297
Geological Setting of Type Material:
In rankinite paralava hosted by the massive gehlenite-bearing pyrometamorphic rocks.
Associated Minerals at Type Locality:
Relationship of Mazorite to other Species
Member of:
Other Members of this group:
Related Minerals - Strunz-mindat Grouping
8.AD. | Keplerite | Ca9(Ca0.5◻0.5)Mg(PO4)7 |
8.AD. | Deynekoite | Ca9◻Fe3+(PO4)7 |
8.AD. | Monazite-(Gd) | Gd(PO4) |
8.AD.05 | Nahpoite | Na2(PO3OH) |
8.AD.10 | Monetite | Ca(PO3OH) |
8.AD.10 | Weilite | Ca(HAsO4) |
8.AD.10 | Švenekite | Ca(H2AsO4)2 |
8.AD.15 | Archerite | (K,NH4)(H2PO4) |
8.AD.15 | Biphosphammite | NH4(H2PO4) |
8.AD.20 | Phosphammite | (NH4)2(PO3OH) |
8.AD.25 | Buchwaldite | NaCa(PO4) |
8.AD.30 | Schultenite | Pb(HAsO4) |
8.AD.35 | Chernovite-(Y) | Y(AsO4) |
8.AD.35 | Dreyerite | Bi(VO4) |
8.AD.35 | Wakefieldite-(Ce) | Ce(VO4) |
8.AD.35 | Wakefieldite-(Y) | Y(VO4) |
8.AD.35 | Xenotime-(Y) | Y(PO4) |
8.AD.35 | Chernovite-(Ce) | (Ce,Y)(AsO4) |
8.AD.35 | Pretulite | Sc(PO4) |
8.AD.35 | Xenotime-(Yb) | Yb(PO4) |
8.AD.35 | Wakefieldite-(La) | La(VO4) |
8.AD.35 | Wakefieldite-(Nd) | Nd(VO4) |
8.AD.35 | Xenotime-(Gd) | Gd(PO4) |
8.AD.40 | Pucherite | Bi(VO4) |
8.AD.45 | Ximengite | Bi(PO4) |
8.AD.50 | Gasparite-(Ce) | Ce(AsO4) |
8.AD.50 | Monazite-(Ce) | Ce(PO4) |
8.AD.50 | Monazite-(La) | La(PO4) |
8.AD.50 | Monazite-(Nd) | Nd(PO4) |
8.AD.50 | Rooseveltite | Bi(AsO4) |
8.AD.50 | Cheralite | CaTh(PO4)2 |
8.AD.50 | Monazite-(Sm) | Sm(PO4) |
8.AD.50 | UM2005-35-VO:CaFePSiTh | (Th,Ca)(VO4,SiO4,PO4) |
8.AD.50 | Gasparite-(La) | La(AsO4) |
8.AD.55 | Tetrarooseveltite | Bi(AsO4) |
8.AD.60 | Chursinite | [Hg2]2+Hg2+2[AsO4]2 |
8.AD.65 | Clinobisvanite | Bi(VO4) |
8.AD.70 | Gurimite | Ba3(VO4)2 |
8.AD.75 | Picaite | NaCa[AsO3OH][AsO2(OH)2] |
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.
Internet Links for Mazorite
mindat.org URL:
https://www.mindat.org/min-56162.html
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References for Mazorite
Reference List:
Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2022) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 68. European Journal of Mineralogy, 34 (5) 385-391 doi:10.5194/ejm-34-385-2022
Krzątała, Arkadiusz, Skrzyńska, Katarzyna, Cametti, Georgia, Galuskina, Irina, Vapnik, Yevgeny, Galuskin, Evgeny (2023) Fluoralforsite, Ba5(PO4)3F – a new apatite group mineral from the Hatrurim Basin, Negev Desert, Israel. Mineralogical Magazine, 1-32 doi:10.1180/mgm.2023.58
Localities for Mazorite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Germany | |
| Krzątała et al. (2023) |
Israel (TL) | |
| Miyawaki et al. (2022) +1 other reference |
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