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Priscillagrewite-(Y)

Collectors Summary

Crystal System kubisch, Ia3d

Chemism

Chem­ical formula

{YCa2}[Zr2](Al3)O12

Chem­ical com­po­si­tion

Aluminium, Calcium, Yttrium, Zirconium, Sauerstoff

Unit weight: 624.4488266 u; Number of atoms in the formula: 20

Info

Empirical formula:

{YCa2}[Zr2](Al3)O12

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

30.75

12

60.00

15.9994300

191.9931600
Aluminium

Al

12.96

3

15.00

26.9815382

80.9446146
Calcium

Ca

12.84

2

10.00

40.0784000

80.1568000
Yttrium

Y

14.24

1

5.00

88.9058520

88.9058520
Zirconium

Zr

29.22

2

10.00

91.2242000

182.4484000

Strunz 9th edi­tion incl. updates

9.AD.25

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
D: Insel(Neso)silikate ohne weitere Anionen; Kationen in oktahedraler [6] und gewöhnlich größerer Koordination
25:Granat-Gruppe

IMA sta­tus

anerkannt - CNMNC Newsletter 55 (2020)

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Classification

 Garnet supergroup

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

230

Space Group

Ia3d

Cell param­e­ters a (Å)

12.50(3)

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Volumne (ų)

1953.125

Kristall struc­ture

Granat-Supergruppe

X-Ray Pow­der Diffrac­tion

4.420(100), 3.126(82), 2.796(36), 2.552(86), 2.452(11), 2.283(12), 2.028(9), 1.977(40)
XRD chart Priscillagrewite-(Y)

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

(Co-)Type locality

(Co-)Type locality

Jordanien/Amman/Daba

Type material

Typenmaterial ist in den Sammlungen des Mineralogischen Museums Fersman, Russische Akademie der Wissenschaften, Leninskiy Prospekt 18k, Moskau 115162, Russland, Katalognummer 55401

Preface

Name from

Professor Priscilla Croswell Perkins Grew, heute emeritiert, lehrte am Department of Earth and Atmospheric Sciences an der University of Nebraska–Lincoln und war Direktor des State Museum of Natural History an der University of Nebraska

References

Galuskina, I., Galuskin, E., Vapnik, Y., Zeliński, G. and Prusik, K. (2020) Priscillagrewite-(Y), IMA 2020-002. CNMNC Newsletter No. 55; Mineralogical Magazine, 84, https://doi.org/10.1180/mgm.2020.39

Irina Galuskina; Evgeny Galuskin; Yevgeny Vapnik; Grzegorz Zeliński; Krystian Prusik: Priscillagrewite-(Y), (Ca2Y)Zr2Al3O12: A new garnet of the bitikleite group from the Daba-Siwaqa area, the Hatrurim Complex, Jordan. American Mineralogist Vol. 106 (2021) S. 641-649. doi: 10.2138/am-2021-7692

IMA group assignments

 
Garnet supergroup
{X3}[Y2](Z3)φ12
 
 

 
 
Halide garnets (Z charge 3)
 
 
 

 
 
 
Cryolithionite
{Na3}[Al2](Li3)F12
kubisch
Ia3d

 
 
Hydroxide garnets (Z charge 0)
 
 
 

 
 
 
Katoite
{Ca3}[Al2](☐3)(OH)12
kubisch
Ia3d

 
 
Monteneveite
{Ca3}[Sb5+2](Fe3+2Fe2+)O12
kubisch
Ia3d

 
 
Nikmelnikovite
{Ca12}[Fe2+Al4Fe3+2☐](Si6☐6)O24(OH)20☐4
trigonal
R3

 
 
Oxide garnets (Z charge 6)
 
 
 

 
 
 
Yafsoanite
{Ca3}[Te6+2](Zn3)O12
kubisch
Ia3d

 
 
Oxide garnets; Bitikleite group (Z charge 9)
 
 
 

 
 
 
Bitikleite
{Ca3}[Sb5+Sn4+](Al3)O12
kubisch
Ia3d

 
 
 
Dzhuluite
{Ca3}[Sb5+Sn4+](Fe3+3)O12
kubisch
Ia3d

 
 
 
Elbrusite
{Ca3}[U6+0.5Zr1.5](Fe3+3)O12
kubisch
Ia3d

 
 
 
Usturite
{Ca3}[Sb5+Zr](Fe3+3)O12
kubisch
Ia3d

 
 
Priscillagrewite-(Y)
{YCa2}[Zr2](Al3)O12
kubisch
Ia3d

 
 
Rubinite
{Ca3}[Ti3+2](Si3)O12
kubisch
Ia3d

 
 
Silicate garnets; Garnet group (Z charge 12)
 
 
 

 
 
 
Almandine
{Fe2+3}[Al2](Si3)O12
kubisch
Ia3d

 
 
 
Andradite
{Ca3}[Fe3+2](Si3)O12
kubisch
Ia3d

 
 
 
Calderite
{Mn2+3}[Fe3+2](Si3)O12
kubisch
Ia3d

 
 
 
Eringaite
{Ca3}[Sc2](Si3)O12
kubisch
Ia3d

 
 
 
Goldmanite
{Ca3}[V3+2](Si3)O12
kubisch
Ia3d

 
 
 
Grossular
{Ca3}[Al2](Si3)O12
kubisch
Ia3d

 
 
 
Hutcheonite
{Ca3}[Ti2](SiAl2)O12
kubisch
Ia3d

 
 
 
Knorringite
{Mg3}[Cr3+2](Si3)O12
kubisch
Ia3d

 
 
 
Majorite
{Mg3}[MgSi](Si3)O12
kubisch
 

 
 
 
Menzerite-(Y)
{Y2Ca}[Mg2](Si3)O12
kubisch
Ia3d

 
 
 
Momoiite
{Mn2+3}[V3+2](Si3)O12
kubisch
Ia3d

 
 
 
Morimotoite
{Ca3}[TiFe2+](Si3)O12
kubisch
Ia3d

 
 
 
Pyrope
{Mg3}[Al2](Si3)O12
kubisch
Ia3d

 
 
 
Spessartine
{Mn2+3}[Al2](Si3)O12
kubisch
Ia3d

 
 
 
Uvarovite
{Ca3}[Cr3+2](Si3)O12
kubisch
Ia3d

 
 
Silicate garnets; Henritermierite group (Z charge 8)
 
 
 

 
 
 
Henritermierite
{Ca3}[Mn3+2](Si2)(☐)O8(OH)4
tetragonal
I41/acd

 
 
 
Holtstamite
{Ca3}[Al2](Si2)(☐)O8(OH)4
tetragonal
I41/acd

 
 
Silicate garnets; Schorlomite group (Z charge 10)
 
 
 

 
 
 
Irinarassite
{Ca3}[Sn4+2](SiAl2)O12
kubisch
Ia3d

 
 
 
Kerimasite
{Ca3}[Zr2](SiFe3+2)O12
kubisch
Ia3d

 
 
 
Kimzeyite
{Ca3}[Zr2](SiAl2)O12
kubisch
Ia3d

 
 
 
Schorlomite
{Ca3}[Ti2](SiFe3+2)O12
kubisch
Ia3d

 
 
 
Toturite
{Ca3}[Sn4+2](SiFe3+2)O12
kubisch
Ia3d

 
 
Vanadate, arsenate garnets; Berzeliite group (Z charge 15)
 
 
 

 
 
 
Berzeliite
{NaCa2}[Mg2](As3)O12
kubisch
Ia3d

 
 
 
Manganberzeliite
{Ca2Na}[Mn2+2](As5+3)O12
kubisch
Ia3d

 
 
 
Palenzonaite
{Ca2Na}[Mn2+2](V5+3)O12
kubisch
Ia3d

 
 
 
Schäferite
{Ca2Na}[Mg2](V5+3)O12
kubisch
Ia3d

 
 
Xuite
{Ca3}[Fe2](Al3)O9(OH)3
kubisch
Ia3d

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Actuality: 09. Aug 2022 - 23:41:09

Other languages

German

Priscillagrewit-(Y)

English

Priscillagrewite-(Y)

CNMNC (IMA)-Number

IMA 2020-002

CNMNC symbol

Symbol

Pgr-Y

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