https://www.mineralbox.biz
https://weloveminerals.com/
https://www.mineral-bosse.de
https://www.mineraliengrosshandel.com
https://www.edelsteine-neuburg.de
'._('einklappen').'
 

Hydrochlorborite

Pictures (1 Images total)

Hydrochlorborit
Views (File:
1586175559
): 162
Hydrochlorborit
tafliger Hydrochlorborit auf schwarzem Trägermaterial, Salar de Carcote, Ollagüe, El Loa Provinz, Antofagasta Region, Chile; BB ~ 3 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Chile/Antofagasta, Region (II. Region)/El Loa, Provinz
Mineral: Hydrochlorborite
Image: 1586175559
License: Usage for Mineralienatlas project only
Hydrochlorborit

tafliger Hydrochlorborit auf schwarzem Trägermaterial, Salar de Carcote, Ollagüe, El Loa Provinz, Antofagasta Region, Chile; BB 3 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-04-06
Locality: El Loa, Provinz / Antofagasta, Region (II. Region) / Chile

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 3
Solubility ++ H2O
Crystal System monoklin, I2/a

Chemism

Chemical formula

Ca2B4O4(OH)7Cl·7H2O

Chemical composition

Calcium, Chlor, Bor, Sauerstoff, Wasserstoff

Unit weight: 468.013427 u; Number of atoms in the formula: 46

Info

Empirical formula:

Ca2B4O4(OH)7Cl·7H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

4.52

21

45.65

1.0079470

21.1668870
Boron

B

9.24

4

8.70

10.8117000

43.2468000
Oxygen

O

61.53

18

39.13

15.9994300

287.9897400
Chlorine

Cl

7.58

1

2.17

35.4532000

35.4532000
Calcium

Ca

17.13

2

4.35

40.0784000

80.1568000

Analysis wt%

CaO : 24.00, B2O3 : 29.20, Cl : 7.20, H2O : 41.50 (Ref: American Mineralogist 77)

Strunz 9th edition incl. updates

6.DA.30

6: Borate
D: Tetraborate
A: Insel(Neso)-Tetraborate
30:Hydrochlorborit-Gruppe

Lapis Classification

V/H.07-010

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

Classification by Hölzel

6.CA.300

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

Dana 8th edition

26.03.04.01

26: Hydrated Borates Containing Hydroxyl or Halogen
03: Hydrated Borates Containing Hydroxyl or Halogen

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

max. Birefringence

0.022
Birefringence chart\! Hydrochlorborite title=Birefringence chart Hydrochlorborite

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

1.499

RI value β

1.502

RI value γ / ε

1.521

Ri mean

1.507

2V angle

Biaxial (+) 45°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

I2/a

Cell parameters a (Å)

22.783

Cell parameters b (Å)

8.745

Cell parameters c (Å)

17.066

Cell parameters a/b or c/a

2.605

Cell parameters c/b

1.952

Cell parameters α

90°

Cell parameters β

96.42

Cell parameters γ

90°

Z

8

Volume (ų)

3378.862

X-Ray Powder Diffraction

8.48(100),
8.18(10),
6.01(20),
3.824(10),
3.703(10),
3.604(10),
2.825(10),
2.798(10)
XRD chart Hydrochlorborite

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)

3

VHN (Hardness Vickers)

53 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

1.852 (gemessen)

1.84 ( ρ calc. Mineralienatlas )

Instability

++ H2O

(Co-)Type locality

(Co-)Type locality

China/Tibet (Xizang AR)/Qinghai-Tibet Plateau

Preface

Author (Name, Year)

Chien & Chen, 1965

References

American Mineralogist 62 (1977), 147

Other languages

Spanish

Hidrocloroborita

German

Hydrochlorborit

French

Hydrochlorborite

English

Hydrochlorborite

Russian

Гидрохлорборит

Alternative Name

Spanish

Hydrochlorborita

CNMNC symbol

Symbol

Hcb

IDs

GUSID (Global unique identifier short form) tOzDhP5U10ehj_LMrwH4KQ
GUID (Global unique identifier) 84C3ECB4-54FE-47D7-A18F-F2CCAF01F829
Database ID 1662