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Olekminskite

Pictures (1 Images total)

Olekminskit
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1584363532
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Olekminskit
weißer, massiger Olekminskit, Kedrovyi Massiv, Murun Massiv, Aldan, Sacha, Russland; BB ~ 1,5 cm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Ferner Osten, Föderationskreis/Sacha (Sakha, Jakutien, Якутия), Republik/Aldan, Ulus (Rajon)/Murun-Massiv (Murunskyi Massif)/Kedrovyi-Massiv
Mineral: Olekminskite
Image: 1584363532
License: Usage for Mineralienatlas project only
Olekminskit

weißer, massiger Olekminskit, Kedrovyi Massiv, Murun Massiv, Aldan, Sacha, Russland; BB 1,5 cm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-03-16
Locality: Kedrovyi-Massiv / Murun-Massiv (Murunskyi Massif) / Aldan, Ulus (Rajon) / Sacha (Sakha, Jakutien, Якутия), Republik / Ferner Osten, Föderationskreis / Russland

Collectors Summary

Color weiß, schneeweiß
Streak color weiß
Hardness (Mohs) 3
Cleavages keine
Fracture uneben
Solubility +++ Säuren
Crystal System trigonal, P321

Chemism

Chemical formula

Sr(Sr,Ca,Ba)(CO3)2

Chemical composition

Barium, Calcium, Strontium, Kohlenstoff, Sauerstoff

Unit weight: 285.96803 u; Number of atoms in the formula: 10

Info

Empirical formula:

Sr(Sr0.6Ca0.3Ba0.1)(CO3)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Carbon

C

8.40

2

20.00

12.0107800

24.0215600

Oxygen

O

33.57

6

60.00

15.9994300

95.9965800

Calcium

Ca

4.20

0.3

3.00

40.0784000

12.0235200

Strontium

Sr

49.02

1.6

16.00

87.6210000

140.1936000

Barium

Ba

4.80

0.1

1.00

137.3277000

13.7327700

Analysis wt%

SrO : 49.86, CaO : 6.68, BaO : 11.23, Ce2O3 : 0.56, CO2 : 29.94 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 91)

Strunz 9th edition incl. updates

5.AB.40

5: Carbonate (Carbonate, Nitrate)
A: Carbonate ohne weitere Anionen, ohne H2O
B: Alkali-Erden- (und andere M2*) Carbonate
40:Paralstonit-Gruppe

Lapis Classification

V/B.04-065

V: NITRATE, CARBONATE UND BORATE
B: Wasserfreie Carbonate [CO3] 2-, ohne fremde Anionen
4: Aragonit-Gruppe

Classification by Hölzel

5.AB.360

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
A: Carbonates (-Anions -Water)
B: Carbonates: hexagonal or trigonal
3: Other Double Carbonates

Dana 8th edition

14.02.02.03

14: Anhydrous Carbonates
02: Anhydrous Carbonates with Compound Formula A+ B++ (CO3)2
02: Norsethite Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

weiß, schneeweiß

Streak color

weiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.143

Birefringence chart\! Olekminskite title=Birefringence chart Olekminskite

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

1.670

RI value γ / ε

1.527

Ri mean

1.622

2V angle

Uniaxial (-)

Crystallography

Crystal System

trigonal

Class (H-M)

32

Space Group number

150

Space Group

P321

Cell parameters a (Å)

8.66

Cell parameters b (Å)

-

Cell parameters c (Å)

6.08

Cell parameters a/b or c/a

0.702

Cell parameters c/b

-

Z

3

Volume (ų)

394.884

X-Ray Powder Diffraction

3.50(100),
2.49(90),
2.03(90),
1.928(60),
1.837(60),
1.581(60),
1.443(60),
1.305(70)

XRD chart Olekminskite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

3

VHN (Hardness Vickers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.7

3.607 ( ρ calc. Mineralienatlas )

Cleavages

keine

Fracture

uneben

Tenacity

spröde

Instability

+++ Säuren

Preface

Author (Name, Year)

Konev & Vorob'ev & Piskunova & Ushchapovskaya, 1991

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 120 (1991) (3), 89

Other languages

German

Olekminskit

Spanish

Olekminskita

French

Olekminskite

English

Olekminskite

Russian

Олекминскит

CNMNC (IMA)-Number

IMA 1989-047

CNMNC symbol

Symbol

Okm

Locations with GPS information

IDs

GUSID (Global unique identifier short form) oe3UEHOVB06pwBWSG-HuYQ
GUID (Global unique identifier) 10D4EDA1-9573-4E07-A9C0-15921BE1EE61
Database ID 2813