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Garrelsite

Pictures (1 Images total)

Garrelsit
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Garrelsit
farblose, dicktafelige Kristalle von Garrelsit aus einem Bohrkern aus einer Teufe von 2185 feet, South Ouray No 1 Well, Ouray, Uintah County, Utah, USA; BB ~ 2 mm
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: USA/Utah/Uintah Co./South Ouray No. 1 Well
Mineral: Garrelsite
Image: 1592582482
License: Usage for Mineralienatlas project only
Garrelsit

farblose, dicktafelige Kristalle von Garrelsit aus einem Bohrkern aus einer Teufe von 2185 feet, South Ouray No 1 Well, Ouray, Uintah County, Utah, USA; BB 2 mm

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-06-19
Locality: South Ouray No. 1 Well / Uintah Co. / Utah / USA

Collectors Summary

Color farblos
Streak color weiß
Crystal System monoklin, C2/c

Chemism

Chemical formula

Ba3NaSi2B7O16(OH)4

Chemical composition

Barium, Natrium, Silicium, Bor, Sauerstoff, Wasserstoff

Unit weight: 890.8462182 u; Number of atoms in the formula: 37

Info

Empirical formula:

Ba3NaSi2B7O16(OH)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.45

4

10.81

1.0079470

4.0317880

Boron

B

8.50

7

18.92

10.8117000

75.6819000

Oxygen

O

35.92

20

54.05

15.9994300

319.9886000

Sodium

Na

2.58

1

2.70

22.9897702

22.9897702

Silicon

Si

6.31

2

5.41

28.0855300

56.1710600

Barium

Ba

46.25

3

8.11

137.3277000

411.9831000

Analysis wt%

BaO : 51.52, Na2O : 3.33, B2O3 : 27.36, SiO2 : 13.81, H2O : 4.04 (Ref: Schweizerische Mineralogische und Petrographische

Mitteilungen 73)

Strunz 9th edition incl. updates

9.AJ.15

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
J: Insel(Neso)silikate mit BO3 Triangeln und /oder B[4], Be[4] Tetraedern, eckenteilend mit SiO4
15:Garrelsit-Gruppe

Lapis Classification

VIII/B.32-010

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
32: Kationen mit Koordinationszahlen zwischen [8] und [12]; Beryllium- und Bor-Inselsilikate

Classification by Hölzel

9.AK.510

9: SILICATES
A: Nesosilicates
K: Boro and Beryllo Nesosilicates
5: C large

Dana 8th edition

27.01.07.01

27: Compound Borates
01: Compound Borates

IMA status

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

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

max. Birefringence

0.020

Birefringence chart\! Garrelsite title=Birefringence chart Garrelsite

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

1.620

RI value β

1.633

RI value γ / ε

1.640

Ri mean

1.631

2V angle

Biaxial (-) 72°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

14.639

Cell parameters b (Å)

8.466

Cell parameters c (Å)

13.438

Cell parameters a/b or c/a

1.729

Cell parameters c/b

1.587

Cell parameters α

90°

Cell parameters β

114.22

Cell parameters γ

90°

Z

4

Volume (ų)

1518.827

X-Ray Powder Diffraction

6.125(50),
4.232(50),
3.914(50),
3.636(80),
3.053(100),
2.873(70),
2.757(60),
1.864(50)

XRD chart Garrelsite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

3.68 (gemessen)

3.896 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

USA/Utah/Uintah Co./South Ouray No. 1 Well

Preface

Author (Name, Year)

Milton & Axelrod & Grimaldi, 1955

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 279

Other languages

German

Garrelsit

Spanish

Garrelsita

English

Garrelsite

French

Garrelsite

Russian

Гаррелсит

Russian

Гаррельсит

CNMNC symbol

Symbol

Grr

IDs

GUSID (Global unique identifier short form) -RCv9pkJYEChllY522tzrA
GUID (Global unique identifier) F6AF10F9-0999-4060-A196-5639DB6B73AC
Database ID 1334