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Jerrygibbsite

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Jerrygibbsit
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Jerrygibbsit

hellrosafarbene Kristalle von Jerrygibbsit, Parker Shaft, Franklin Mine, Franklin, Sussex County, New Jersey, USA; BB 1 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-06-17
Locality: Franklin Mine / Franklin / Franklin Mining District / Sussex Co. / New Jersey / USA

Collectors Summary

Color violett rosa
Streak color hellrosa
Hardness (Mohs) 5.5
Solubility +++ HCl
Crystal System orthorhombisch, Pbn21

Chemism

Chem­ical formula

Mn9(SiO4)4(OH)2

Chem­ical com­po­si­tion

Mangan, Silicium, Sauerstoff, Wasserstoff

Unit weight: 896.7902031 u; Number of atoms in the formula: 33

Info

Empirical formula:

Mn9(SiO4)4(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.22

2

6.06

1.0079470

2.0158940

Oxygen

O

32.11

18

54.55

15.9994300

287.9897400

Silicon

Si

12.53

4

12.12

28.0855300

112.3421200

Manganese

Mn

55.13

9

27.27

54.9380499

494.4424491

Anal­y­sis wt%

SiO2 : 27.10, MgO : 1.40, CaO : 0.40, MnO : 64.10, ZnO : 3.90, H2O : 2.13 (Ref: American Mineralogist 84)

Strunz 9th edi­tion incl. updates

9.AF.70

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
F: Insel(Neso)silikate mit zusätzlichem Anionen; Kationen in [4], [5] und/oder nur [6] Koordination
70:Jerrygibbsit-Gruppe

Lapis Clas­sifica­tion

VIII/B.04-100

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
4: Kationen in tetraedrischer oder oktaedrischer Koordination [4/6]; Humit-Gruppe

Clas­sifica­tion by Hölzel

9.AI.270

9: SILICATES
A: Nesosilicates
I: Nesosilicates with OH
2: Norbergite-Group

Dana 8th edi­tion

52.03.02d.02

52: Nesosilicates Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O
03: Nesosilicates Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
02d: Humite group (Clinohumite series)

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

violett rosa

Streak color

hellrosa

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

max. Birefrin­gence

0.017

Birefringence chart\! Jerrygibbsite title=Birefringence chart Jerrygibbsite

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

1.772

RI value β

1.783

RI value γ / ε

1.789

Ri mean

1.781

2V angle

Biaxial (-) 72°

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz bekannt

Crystallography

Crystal Sys­tem

orthorhombisch

Class (H-M)

mm2

Space Group number

33

Space Group

Pbn21

Cell param­e­ters a (Å)

4.875

Cell param­e­ters b (Å)

10.709

Cell param­e­ters c (Å)

28.18

Cell param­e­ters a/b or c/a

0.455

Cell param­e­ters c/b

2.631

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

1471.176

X-Ray Pow­der Diffrac­tion

2.869(80),
2.752(50),
2.702(50),
2.661(30),
2.557(100),
2.362(40),
1.806(100),
1.550(30)

XRD chart Jerrygibbsite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5.5

VHN (Hard­ness Vick­ers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4

4.049 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HCl

Preface

Author (Name, Year)

Dunn & Peacor & Simmons & Essene, 1984

References

American Mineralogist 69 (1984), 546

Other languages

German

Jerrygibbsit

Spanish

Jerrygibbsita

French

Jerrygibbsite

English

Jerrygibbsite

Russian

Джерриджиббсит

CNMNC (IMA)-Number

IMA 1981-059

CNMNC symbol

Symbol

Jgb

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Jerrygibbsit
Google-Bilder-Suche - search for: Jerrygibbsit
Mineralienatlas.de (Forum) - search for: Jerrygibbsit

English pages

Mindat - search for: Jerrygibbsite
Webmineral - search for:Jerrygibbsite
Handbook-of-Mineralogy - search for: Jerrygibbsite
RRUFF - Raman, XRD and other mineral data - search for: Jerrygibbsite
RRUFF - References and PDF downloads - search for: Jerrygibbsite
American-Mineralogist-Crystal-Structure-Database - search for: Jerrygibbsite
Strahlen.org - search for: Jerrygibbsite

Russian pages

Webmineral.ru - search for: Джерриджиббсит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Jerrygibbsit
Crystal-Treasure.com - search for: Jerrygibbsit
Bosse - search for: Jerrygibbsit
Edelsteine Neuburg - Gundolf Fischer - search for: Jerrygibbsit

Locations with GPS information