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Nabaphite (Nabaphit)

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 2
Solubility +++ H2O, Säuren
Crystal System kubisch, P213

Chemism

Chemical formula

NaBaPO4·9H2O

Chemical composition

Barium, Natrium, Phosphor, Sauerstoff, Wasserstoff

Unit weight: 417.4268674 u; Number of atoms in the formula: 34

Info

Empirical formula:

NaBaPO4·9H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

4.35

18

52.94

1.0079470

18.1430460
Oxygen

O

49.83

13

38.24

15.9994300

207.9925900
Sodium

Na

5.51

1

2.94

22.9897702

22.9897702
Phosphorus

P

7.42

1

2.94

30.9737612

30.9737612
Barium

Ba

32.90

1

2.94

137.3277000

137.3277000

Analysis wt%

P2O5 : 18.86, Na2O : 6.31, BaO : 37.00, SrO : 0.86, H2O : 36.94 (Ref: Doklady Akademiia Nauk, SSSR 82)

Strunz 9th edition incl. updates

8.CJ.15

8: Phosphate, Arsenate, Vanadate
C: Phosphate ohne weitere Anionen, mit H2O
J: Ausschließlich mit großen Kationen
15:Nastrophit-Gruppe

Lapis Classification

VII/C.28-020

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
C: Wasserhaltige Phosphate, ohne fremde Anionen
28: Mittelgroße und große Kationen: Fe-Mn-Zn-Mg und Ca-(NH4) 1+

Classification by Hölzel

8.CF.385

8: PHOSPHATES ARSENATES VANADATES
C: Phosphates (-Anions +Water)
F: Phosphates, C large, V: 1 to 4
3: Valency: 1+2, V1/V2=1/1 Brushite-Group

Dana 8th edition

40.01.03.02

40: Hydrated Phosphates, etc
01: Hydrated Phosphates, etc where A++ B++ (XO4) · x(H2O)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

Diaphaneity (Transparency)

transparent

RI value α / ω / n

1.504

Ri mean

1.504

2V angle

Isotropisch

Optical Data Luminescence

Color LW-UV (365nm)

  

weiß

LW-UV Intensity

schwach

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

kubisch

Class (H-M)

23

Space Group number

198

Space Group

P213

Cell parameters a (Å)

10.711

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°

Z

4

Volumne (ų)

1228.825

X-Ray Powder Diffraction

5.36(80),
4.81(80),
3.794(60),
3.575(70),
2.866(90),
2.598(100),
2.337(60),
2.102(80)
XRD chart Nabaphite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2

VHN (Hardness Vickers)

32 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.3

2.256 ( ρ calc. Mineralienatlas )

Instability

+++ H2O, Säuren

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Yukspor/Material'naya-Stollen

Preface

Author (Name, Year)

Khomyakov & Korobitsyn & Men'shikov & Polezhaeva, 1982

References

Transactions (Doklady) of the USSR Academy of Sciences, Earth Science Sections 266 (1982), 127

Other languages

Spanish

Nabafita

German

Nabaphit

English

Nabaphite

French

Nabaphite

Russian

Набафит

Alternative Name

Spanish

Nabaphita

CNMNC (IMA)-Number

IMA 1981-058

CNMNC symbol

Symbol

Nbh

Locations with GPS information