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Solongoite (Solongoit)

Pictures (1 Images total)

Solongoit
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1584799955
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Solongoit
weißes Aggreagt von Solongoit in Kapsel, Solongo Bor-Lagerstätte, Vitim Plateau, Burjatien, Russland; BB ~ 6 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Russland/Ferner Osten, Föderationskreis/Burjatien (Buryatia), Republik/Vitim Plateau/Solongo Bor-Lagerstätte
Mineral: Solongoite
Image: 1584799955
License: Usage for Mineralienatlas project only
Solongoit

weißes Aggreagt von Solongoit in Kapsel, Solongo Bor-Lagerstätte, Vitim Plateau, Burjatien, Russland; BB 6 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-03-21
Locality: Solongo Bor-Lagerstätte / Vitim Plateau / Burjatien (Buryatia), Republik / Ferner Osten, Föderationskreis / Russland

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 3.5
Solubility +++ Säuren, - H2O
Crystal System monoklin, P21/c

Chemism

Chemical formula

Ca2B3O4(OH)4Cl

Chemical composition

Calcium, Chlor, Bor, Sauerstoff, Wasserstoff

Unit weight: 280.072328 u; Number of atoms in the formula: 18

Info

Empirical formula:

Ca2B3O4(OH)4Cl

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.44

4

22.22

1.0079470

4.0317880

Boron

B

11.58

3

16.67

10.8117000

32.4351000

Oxygen

O

45.70

8

44.44

15.9994300

127.9954400

Chlorine

Cl

12.66

1

5.56

35.4532000

35.4532000

Calcium

Ca

28.62

2

11.11

40.0784000

80.1568000

Analysis wt%

B2O3 : 38.54, CaO : 39.54, MgO : 0.50, Cl : 7.62, H2O : 15.40 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 74)

Strunz 9th edition incl. updates

6.CA.40

6: Borate
C: Triborate
A: Insel (Neso)-Triborate
40:Solongoit-Gruppe

Lapis Classification

V/H.06-060

V: NITRATE, CARBONATE UND BORATE
H: Gruppenborate
6: Planare und tetraedrische Gruppen [B3O5] 1- bis [B6O10] 2-

Classification by Hölzel

6.CA.280

6: Borates
C: Triborates
A: Nesotriborates
2: Inderite-Group - 3(P+2T)

Dana 8th edition

25.03.02.01

25: Anhydrous Borates Containing Hydroxyl or Halogen
03: Anhydrous Borates Containing Hydroxyl or Halogen

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

max. Birefringence

0.035

Birefringence chart\! Solongoite title=Birefringence chart Solongoite

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

1.545

Ri mean

1.522

2V angle

Biaxial (+) 22°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell parameters a (Å)

7.93

Cell parameters b (Å)

7.26

Cell parameters c (Å)

12.54

Cell parameters a/b or c/a

1.092

Cell parameters c/b

1.727

Cell parameters α

90°

Cell parameters β

94.0

Cell parameters γ

90°

Z

4

Volumne (ų)

720.192

X-Ray Powder Diffraction

7.84(90),
5.29(60),
2.74(70),
2.61(80),
2.54(80),
2.196(100),
1.911(80),
1.734(90)

XRD chart Solongoite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

3.5

VHN (Hardness Vickers)

130 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.514 (gemessen)

2.583 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren, - H2O

Preface

Author (Name, Year)

Malinko, 1974

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 103 (1974), 117

Other languages

German

Solongoit

French

Solongoite

English

Solongoite

Spanish

Solongoíta

Russian

Солонгоит

Traditional Chinese

斜氯硼鈣石

Simplified Chinese

斜氯硼钙石

CNMNC (IMA)-Number

IMA 1973-017

CNMNC symbol

Symbol

Sol

Locations with GPS information