Galileiite
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About Galileiite
Formula:
{Fe2+}{Na8}{Fe2+4Na4}{Fe2+43}(PO4)36
Colour:
Pale amber
Lustre:
Waxy
Hardness:
4
Specific Gravity:
4.07Space gr (Calculated)
Crystal System:
Trigonal
Member of:
Name:
Named by E.J. Olsen and I.M. Steele in honor of Galileo Galilei (15 February 1564, Pisa, Duchy of Florence, Italy - 8 January 1642, Arcetri, Grand Duchy of Tuscany, Italy). An astronomer, physicist, engineer, philosopher, and mathematician. He played a major role in the scientific revolution of the seventeenth century. The mineral honors his astronomical work.
This page provides mineralogical data about Galileiite.
Classification of Galileiite
Approved
Approval Year:
1996
First Published:
1997
7/A.08-03
8.AC.50
8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations
8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
C : With medium-sized and large cations
Dana 7th ed.:
38.2.9.4
Physical Properties of Galileiite
Waxy
Transparency:
Transparent
Colour:
Pale amber
Hardness:
4 on Mohs scale
Comment:
Less than 4
Tenacity:
Sectile
Cleavage:
None Observed
Parting:
None
Density:
4.07Space gr g/cm3 (Calculated)
Optical Data of Galileiite
Type:
Uniaxial (+)
RI values:
nω = 1.720() nε = 1.750(5)
Max Birefringence:
δ = 0.030

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
Chemical Properties of Galileiite
Formula:
{Fe2+}{Na8}{Fe2+4Na4}{Fe2+43}(PO4)36
IMA Formula:
NaFe2+4(PO4)3
Idealised Formula:
NaFe4(PO4)6
Elements listed:
Crystallography of Galileiite
Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
R3
Cell Parameters:
a = 14.98 Å, c = 41.66 Å
Ratio:
a:c = 1 : 2.781
Unit Cell V:
8,096.06 ų (Calculated from Unit Cell)
Z:
36
Morphology:
Anhedral grains to 30 microns
Comment:
Space group by analogy to chladniite
Type Occurrence of Galileiite
General Appearance of Type Material:
<30 micron grains
Place of Conservation of Type Material:
Smithsonian
Geological Setting of Type Material:
Class IIIAB and IIIB Meteorites
Associated Minerals at Type Locality:
Synonyms of Galileiite
Other Language Names for Galileiite
German:Galileiit
Spanish:Galileiita
Relationship of Galileiite to other Species
Member of:
Other Members of this group:
Chladniite | {Ca}{Na8}{Ca4Na4}{(Mg,Fe2+)43}(PO4)36 | Trig. 3 : R3 |
Fillowite | {Mn2+}{Na8}{Ca4Na4}{(Mn2+,Fe2+)43}(PO4)36 | Trig. 3 : R3 |
Johnsomervilleite | Na10Ca6Mg18Fe25(PO4)36 | Trig. |
Stornesite-(Y) | {(Y, Ca)}{Na6◻2}{(Ca,Na)8}{(Mg,Fe2+)43}(PO4)36 | Trig. 3 : R3 |
Xenophyllite | Na4Fe2+7(PO4)6 | Tric. 1 : P1 |
Common Associates
Associated Minerals Based on Photo Data:
Sarcopside | 1 photo of Galileiite associated with Sarcopside on mindat.org. |
Troilite | 1 photo of Galileiite associated with Troilite on mindat.org. |
Related Minerals - Nickel-Strunz Grouping
8.AC. | Wopmayite | Ca6Na3□Mn(PO4)3(PO3OH)4 | Trig. 3m : R3c |
8.AC.05 | Howardevansite | NaCuFe2(VO4)3 | Tric. 1 : P1 |
8.AC.10 | Alluaudite | (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 | Mon. |
8.AC.10 | Arseniopleite | (Ca,Na)NaMn2+(Mn2+,Mg,Fe2+)2(AsO4)3 | Mon. 2/m : P2/b |
8.AC.10 | Caryinite | (Na,Pb)(Ca,Na)CaMn2+2(AsO4)3 | Mon. 2/m |
8.AC.10 | Ferroalluaudite | (Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3 | |
8.AC.10 | Hagendorfite | NaCaMn2+Fe2+2(PO4)3 | Mon. 2/m : B2/b |
8.AC.10 | Johillerite | Na(Mg,Zn)3Cu(AsO4)3 | Mon. 2/m : B2/b |
8.AC.10 | Maghagendorfite | (□,Na,)(Na,Ca,Fe2+)Mn(Mg,Fe2+,Fe3+)3(PO4)3 | Mon. |
8.AC.10 | Nickenichite | Na0.8Ca0.4Cu0.4(Mg,Fe)3(AsO4)3 | Mon. 2/m : B2/b |
8.AC.10 | Varulite | NaCaMn2+Mn2+2(PO4)3 | Mon. 2/m : B2/b |
8.AC.10 | Ferrohagendorfite | NaCaFe2+Fe2+2(PO4)3 | Mon. |
8.AC.10 | Bradaczekite | NaCu4(AsO4)3 | Mon. 2/m : B2/b |
8.AC.10 | Yazganite | NaFe3+2(Mg,Mn2+)(AsO4)3 · H2O | Mon. 2/m : B2/b |
8.AC.10 | Groatite | NaCaMn2(PO4)(HPO4)2 | Mon. 2/m : B2/b |
8.AC.15 | Bobfergusonite | Na2Mn5FeAl(PO4)6 | Mon. 2/m : P2/b |
8.AC.15 | Ferrowyllieite | (Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3 | Mon. 2/m : P21/b |
8.AC.15 | Qingheiite | NaMn3+Mg(Al,Fe3+)(PO4)3 | Mon. 2/m : P21/b |
8.AC.15 | Rosemaryite | (Na,Ca,Mn)(Mn,Fe2+)(Fe3+,Mg)Al(PO4)3 | Mon. 2/m : P21/b |
8.AC.15 | Wyllieite | (Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO4)3 | Mon. 2/m |
8.AC.15 | Ferrorosemaryite | ◻NaFe2+Fe3+Al(PO4)3 | Mon. |
8.AC.15 | Qingheiite-(Fe2+) | Na2Fe2+MgAl(PO4)3 | Mon. 2/m : P21/m |
8.AC.18 | Manitobaite | Na16Mn2+ 25Al8(PO4)30 | Mon. m : Pb |
8.AC.20 | Marićite | NaFe2+(PO4) | Orth. mmm (2/m 2/m 2/m) : Pmna |
8.AC.25 | Berzeliite | (NaCa2)Mg2(AsO4)3 | Iso. m3m (4/m 3 2/m) : Ia3d |
8.AC.25 | Manganberzeliite | NaCa2Mn2+2(AsO4)3 | Iso. m3m (4/m 3 2/m) : Ia3d |
8.AC.25 | Palenzonaite | (Ca,Na)3CaMn2+2(VO4)3 | Iso. m3m (4/m 3 2/m) : Ia3d |
8.AC.25 | Schäferite | Ca2NaMg2(VO4)3 | Iso. |
8.AC.30 | Brianite | Na2CaMg(PO4)2 | Mon. 2/m : P21/b |
8.AC.35 | Vitusite-(Ce) | Na3(Ce,La,Nd)(PO4)2 | Orth. mm2 : Pca21 |
8.AC.40 | Olgite | (Sr,Ba)(Na,Sr,REE)2Na(PO4)2 | Trig. 3m (3 2/m) : P3m1 |
8.AC.40 | Bario-olgite | (Ba,Sr)(Na,Sr,REE)2Na(PO4)2 · | Trig. 3 : P3 |
8.AC.45 | Strontiowhitlockite | Sr9Mg(PO4)6(HPO4) | Trig. 3m : R3c |
8.AC.45 | Whitlockite | Ca9Mg(PO4)6(HPO4) | Trig. 3m : R3c |
8.AC.45 | Merrillite | Ca9NaMg(PO4)7 | Trig. 3m : R3m |
8.AC.45 | Tuite | Ca3(PO4)2 | Trig. 3m (3 2/m) : R3m |
8.AC.45 | Ferromerrillite | Ca9NaFe2+(PO4)7 | Trig. 3m : R3c |
8.AC.50 | Chladniite | {Ca}{Na8}{Ca4Na4}{(Mg,Fe2+)43}(PO4)36 | Trig. 3 : R3 |
8.AC.50 | Fillowite | {Mn2+}{Na8}{Ca4Na4}{(Mn2+,Fe2+)43}(PO4)36 | Trig. 3 : R3 |
8.AC.50 | Johnsomervilleite | Na10Ca6Mg18Fe25(PO4)36 | Trig. |
8.AC.50 | Stornesite-(Y) | {(Y, Ca)}{Na6◻2}{(Ca,Na)8}{(Mg,Fe2+)43}(PO4)36 | Trig. 3 : R3 |
8.AC.50 | Xenophyllite | Na4Fe2+7(PO4)6 | Tric. 1 : P1 |
8.AC.55 | Harrisonite | Ca(Fe2+,Mg)6(PO4)2(SiO4)2 | Trig. |
8.AC.60 | Kosnarite | KZr2(PO4)3 | Trig. 3m (3 2/m) : R3c |
8.AC.65 | Panethite | (Na,Ca)2(Mg,Fe2+)2(PO4)2 | Mon. 2/m : P21/b |
8.AC.70 | Stanfieldite | Ca4Mg5(PO4)6 | Mon. |
8.AC.75 | Ronneburgite | K2MnV4O12 | Mon. 2/m |
8.AC.80 | Tillmannsite | (Ag3Hg)(VO4,AsO4) | Tet. 4 : I4 |
8.AC.85 | Filatovite | K(Al,Zn)2(As,Si)2O8 | Mon. 2/m |
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 Galileiite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Meteoritics and Planetary Science: 32: A155-A156.
Internet Links for Galileiite
mindat.org URL:
https://www.mindat.org/min-6961.html
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Please feel free to link to this page.
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External Links:
Mineral Dealers:
Localities for Galileiite
Locality List




All localities listed without proper references should be considered as questionable.
Argentina | |
| Meteoritics Planetary Sci.(1997) 32, A155-A156 |
China | |
| Xie, X., Chen, M., Zhai, S., & Wang, F. (2014). Eutectic metal+ troilite+ Fe‐Mn‐Na phosphate+ Al‐free chromite assemblage in shock‐produced chondritic melt of the Yanzhuang chondrite. Meteoritics & Planetary Science, 49(12), 2290-2304. |
Russia | |
| Victor Victorovich Sharygin (2016) Phosphate inclusions in cohenite from “black blocks” of the 45 mine burned dump, Kopeisk, Chelyabinsk Coal Basin |
Na- V. V. Sharygin, N. S. Karmanov and N. M. Podgornykh (2016) Fe-Phosphate Globules in Impact Metal-Troilite Associations of Chelyabinsk Meteorite. 79th Annual Meeting of the Meteoritical Society (2016) | |
USA (TL) | |
| Meteoritics Planetary Sci.(1997) 32, A155-A156 |
Augustinovka meteorite, Dnepropetrovsk Oblast, Ukraine