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Olympite

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Olympit
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Olympit
weiße Aggregate von Olympit in Glasampulle, Rasvumchorr, Chibiny Massif, Halbinsel Kola, Russland; BB ~ 1 cm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Rasvumchorr
Mineral: Olympite
Image: 1630156275
License: Usage for Mineralienatlas project only
Olympit

weiße Aggregate von Olympit in Glasampulle, Rasvumchorr, Chibiny Massif, Halbinsel Kola, Russland; BB 1 cm
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2021-08-28
Locality: Rasvumchorr / Chibiny (Khibiny) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 4.5
Solubility +++ H2O, absorbiert CO2 aus der Luft
Crystal System orthorhombisch, P212121

Chemism

Chemical formula

LiNa5(PO4)2

Chemical composition

Lithium, Natrium, Phosphor, Sauerstoff

Unit weight: 311.8330134 u; Number of atoms in the formula: 16

Info

Empirical formula:

LiNa5(PO4)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Lithium

Li

2.23

1

6.25

6.9412000

6.9412000
Oxygen

O

41.05

8

50.00

15.9994300

127.9954400
Sodium

Na

36.86

5

31.25

22.9897702

114.9488510
Phosphorus

P

19.87

2

12.50

30.9737612

61.9475224

Strunz 9th edition incl. updates

8.AA.30

8: Phosphate, Arsenate, Vanadate
A: Phosphate, etc., ohne weitere Anionen, ohne H2O
A: Mit kleinen [Kationen] (einige zusätzlich mit größeren [Kationen])
30:Olympit-Gruppe

Lapis Classification

VII/A.01-027

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
A: Wasserfreie Phosphate [PO4] 3-, ohne fremde Anionen
1: Kleine Kationen: Li-Be-Al-Fe 3+

Classification by Hölzel

8.AA.270

8: PHOSPHATES ARSENATES VANADATES
A: Phosphates (-anions -water)
A: Phosphates, C small

Dana 8th edition

38.04.10.02

38: Anhydrous Phosphates, etc
04: Anhydrous Phosphates, etc A+ XO4
10: Lithiophosphate Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

Diaphaneity (Transparency)

durchscheinend

max. Birefringence

0.002
Birefringence chart\! Olympite title=Birefringence chart Olympite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.510

RI value β

1.510

RI value γ / ε

1.512

Ri mean

1.511

2V angle

Biaxial (+) 46°

Optical Data Luminescence

Color SW-UV (254nm)

  

bläulich weiß

Most Common Activator

organische Unreinheiten

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

orthorhombisch

Class (H-M)

222

Space Group number

19

Space Group

P212121

Cell parameters a (Å)

10.154

Cell parameters b (Å)

14.189

Cell parameters c (Å)

10.143

Cell parameters a/b or c/a

0.716

Cell parameters c/b

0.715

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

8

Volume (ų)

1461.354

X-Ray Powder Diffraction

4.18(90),
3.70(50),
3.58(60),
2.582(100),
2.531(70),
2.433(70),
2.389(50),
1.472(70)
XRD chart Olympite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

4.5

VHN (Hardness Vickers)

310

Density (g/cm³)

2.8

2.835 ( ρ calc. Mineralienatlas )

Instability

+++ H2O, absorbiert CO2 aus der Luft

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Chibiny (Khibiny)/Rasvumchorr

Preface

Author (Name, Year)

Khomyakov & Bykova & Malinovskiy, 1980

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 109 (1980), 476

Other languages

Spanish

Olimpita

German

Olympit

French

Olympite

English

Olympite

Russian

Олимпит

Alternative Name

Spanish

Olympita

CNMNC (IMA)-Number

IMA 1979-065

CNMNC symbol

Symbol

Oly

Locations with GPS information

IDs

GUSID (Global unique identifier short form) deV2AZx38Ue1UMKo1zEjAg
GUID (Global unique identifier) 0176E575-779C-47F1-B550-C2A8D7312302
Database ID 2823