Newberyite Mineral Data
General Newberyite Information
Chemical Formula:
Mg(PO3OH)•3(H2O)
Composition:
Molecular Weight = 174.33 gm
Magnesium 13.94 % Mg 23.12 % MgO
Phosphorus 17.77 % P 40.71 % P2 O5
Hydrogen 4.05 % H 36.17 % H2 O
Oxygen 64.24 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Mg(PO3 OH)•3(H2 O)
Environment:
Found in caves, formed directly from bat guano.
IMA Status:
Valid Species (Pre-IMA) 1879
Locality:
Skipton lava tube caves, 40 km southwest of Ballarat, Victoria, Australia. Link to MinDat.org Location Data.
Name Origin:
Named for James Cosmo Newbery (1843-1895), geologist, Melbourne, Australia, who initially found the mineral.
Name Pronunciation:
Newberyite + Pronunciation
Synonym:
ICSD 31281
PDF 35-780
Newberyite Image
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Newberyite Crystallography
Axial Ratios:
a:b:c =0.9563:1:0.9375
Cell Dimensions:
a = 10.215, b = 10.681, c = 10.014, Z = 8; V = 1,092.59 Den(Calc)= 2.12
Crystal System:
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P bca
X Ray Diffraction:
By Intensity(I/Io ): 3.041(1), 3.462(0.66), 3.086(0.54),
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Physical Properties of Newberyite
Cleavage:
{010} Perfect, {001} Indistinct
Color:
Colorless, Gray brown, Grayish.
Density:
2.1
Diaphaneity:
Transparent
Fracture:
Brittle - Uneven - Very brittle fracture producing uneven fragments.
Hardness:
3-3.5 - Calcite-Copper Penny
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Newberyite
Gladstone-Dale:
CI meas = -0.019 (Superior) - where the CI = (1-KPDmeas /KC ) CI calc = -0.009 (Superior) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.2459,KPDmeas = 0.2483,KC = 0.2437 Ncalc = 1.51 - 1.52
Optical Data:
Biaxial (+), a=1.514, b=1.517, g=1.533, bire=0.0190, 2V(Calc)=48, 2V(Meas)=45.
Calculated Properties of Newberyite
Electron Density:
Bulk Density (Electron Density)=2.19 gm/cc note: Specific Gravity of Newberyite =2.12 gm/cc.
Fermion Index:
Fermion Index = 0.01 Boson Index = 0.99
Photoelectric:
PENewberyite = 1.25 barns/electronU=PENewberyite x r Electron Density= 2.73 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Newberyite is Not Radioactive
Newberyite Classification
Dana Class:
39.01.06.01 (39) Hydrated Acid Phosphates, etc
(39.01) A+ [HXO4] � x(H2O)
(39.01.06) Dana Group
39.01.06.01 Newberyite Mg(PO3OH)•3(H2O) P bca 2/m 2/m 2/m
Strunz Class:
08.CE.10 08 - PHOSPHATES, ARSENATES, VANADATES
08.C - Phosphates without Additional Anions, with H2O
08.CE -With only medium-sized cations, RO4:H2O � 1:2.5
08.CE.10 Newberyite Mg(PO3OH)•3(H2O) P bca 2/m 2/m 2/m
Other Newberyite Information
References:
NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
See Also:
Links to other databases for Newberyite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Newberyite Specimen Label here :
Newberyite
Mg(PO3OH)•3(H2O)
Dana No: 39.01.06.01 Strunz No: 08.CE.10
Locality:
Notes: