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Gillespite

Pictures (2 Images total)

Gillespit
Views (Image: 1478013239): 771
Gillespit

mit Meierit-Einschlüssen (graublau). Gun Claim, Itsy Mountains/Yukon, Canada; Größe 3,5 x 2,5 cm

Collection: Haubi
Copyright: Haubi
Contribution: Haubi 2016-11-01
Locality: Gun Claim / Wilson Lake / Itsi Mt. / Watson Lake Mining District / Yukon-Territorium / Kanada
Gillespit (rot) in Sanbornit (weiß)
Views (Image: 1478016083): 1001
Gillespit (rot) in Sanbornit (weiß)

Trumbull Peak,Incline,Mariposa Co./Californien USA; Größe 3,7 x 2 cm

Collection: Haubi
Copyright: Haubi
Contribution: Haubi 2016-11-01
Locality: Trumbull Peak / Incline / Mariposa Co. / Kalifornien (California) / USA

Collectors Summary

Color rot
Hardness (Mohs) 3
Solubility +++ HCl
Crystal System tetragonal, P4/ncc

Chemism

Chem­ical formula

BaFe2+Si4O10

Chem­ical com­po­si­tion

Barium, Eisen, Silicium, Sauerstoff

Unit weight: 465.50932 u; Number of atoms in the formula: 16

Info

Empirical formula:

BaFeSi4O10

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

34.37

10

62.50

15.9994300

159.9943000

Silicon

Si

24.13

4

25.00

28.0855300

112.3421200

Iron

Fe

12.00

1

6.25

55.8452000

55.8452000

Barium

Ba

29.50

1

6.25

137.3277000

137.3277000

Anal­y­sis wt%

SiO2 : 49.98, Al2O3 : 1.51, FeO : 14.61, CaO : 0.60, BaO : 32.38 (Ref: American Mineralogist 58)

Strunz 9th edi­tion incl. updates

9.EA.05

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
A: Einfache Tetraedernetze mit 4-, 5-, (6-), und 8 beteiligten Ringen
05:Gillespit-Gruppe

Lapis Clas­sifica­tion

VIII/H.02-040

VIII: SILIKATE
H: Schichtsilikate
2: tetragonale oder pseudotetragonale Schichtstrukturen [Si4O10] 4- u.a.

Clas­sifica­tion by Hölzel

9.EA.220

9: SILICATES
E: Phyllosilicates
A: tetragonal & pseudotetragonal Phyllosilicates
2: Cuprorivait-Group

Dana 8th edi­tion

71.02.03.02

71: Phyllosilicate Minerals
02: Phyllosilicates Phyllosilicate Sheets of Six-Membered Rings with 2:1 Layers
03: Cuprorivaite group

IMA sta­tus

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

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

rot

max. Birefrin­gence

0.002

Birefringence chart\! Gillespite title=Birefringence chart Gillespite

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

1.621

RI value γ / ε

1.619

Ri mean

1.620

2V angle

Uniaxial (-)

Crystallography

Crystal Sys­tem

tetragonal

Class (H-M)

4/mmm

Space Group number

130

Space Group

P4/ncc

Cell param­e­ters a (Å)

7.495

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

16.050

Cell param­e­ters a/b or c/a

2.141

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

901.609

X-Ray Pow­der Diffrac­tion

8.02(50),
4.422(60),
3.537(30),
3.396(100),
3.199(70),
3.093(30),
2.650(30),
2.388(30)

XRD chart Gillespite

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)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.402 (gemessen)

3.429 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HCl

Preface

Author (Name, Year)

Schaller, 1922

References

Handbook of Mineralogy (Anthony et al.), 2 (1995), 287

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Gillespite

BaFe2+Si4O10

tetragonal : 4/mmm : P4/ncc

9.EA.05

Wesselsite

Sr0.9Ba0.1CuSi4O10

tetragonal : 4/mmm : P4/ncc

9.EA.05

Cuprorivaite

CaCuSi4O10

tetragonal : 4/mmm : P4/ncc

9.EA.05

Effenbergerite

BaCu[Si4O10]

tetragonal : 4/mmm : P4/ncc

9.EA.05

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Cuprorivaite

CaCuSi4O10

tetragonal : 4/mmm : P4/ncc

VIII/H.02-010

Wesselsite

Sr0.9Ba0.1CuSi4O10

tetragonal : 4/mmm : P4/ncc

VIII/H.02-020

Effenbergerite

BaCu[Si4O10]

tetragonal : 4/mmm : P4/ncc

VIII/H.02-030

Gillespite

BaFe2+Si4O10

tetragonal : 4/mmm : P4/ncc

VIII/H.02-040

Sanbornite

BaSi2O5

orthorhombisch : mmm : Pmcn

VIII/H.02-050

Bigcreekite

BaSi2O5·4H2O

orthorhombisch : mmm : Pnma

VIII/H.02-060

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Cuprorivaite

CaCuSi4O10

tetragonal : 4/mmm : P4/ncc

9.EA.200

Effenbergerite

BaCu[Si4O10]

tetragonal : 4/mmm : P4/ncc

9.EA.210

Wesselsite

Sr0.9Ba0.1CuSi4O10

tetragonal : 4/mmm : P4/ncc

9.EA.215

Gillespite

BaFe2+Si4O10

tetragonal : 4/mmm : P4/ncc

9.EA.220

Hyalotekite

(Ba,Pb,Ca,K)6(B,Si,Al)2(Si,Be)10O28(F,Cl)

triklin : 1 : I1

9.EA.260

Kapitsaite-(Y)

(Ba,K,Pb2+)4(Y,Ca,Na)2[(F,OH)|I(B,Si)4O4](Si4O12)2]

triklin : 1 : I1

9.EA.270

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Talc

Mg3Si4O10(OH)2

monoklin : 2/m : C2/c

71.02.01.03

Willemseite

(Ni,Mg)3Si4O10(OH)2

monoklin : m : Cc

71.02.01.04

'Glauconite'

(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2

monoklin : 2/m : C2/m

71.02.02a.05

Tobelite

(NH4,K)Al2(Si3Al)O10(OH)2

monoklin : 2/m : C2/m

71.02.02a.07

'Tetraferriannite'

KFe2+3(Si3Fe3+)O10(OH)2

monoklin : 2/m : C2/m

71.02.02b.04

Sokolovaite

CsLi2AlSi4O10F2

71.02.02b.08b

Zinkosite

ZnSO4

orthorhombisch : mmm : Pnma

71.02.02b.10

'Zinnwaldite'

KLiFe2+Al(AlSi3)O10(F,OH)2

monoklin : 2 : C2

71.02.02b.10

'Ephesite'

NaLiAl2(Al2Si2)O10(OH)2

monoklin : m : Cc

71.02.02b.16

Clintonite

Ca(Mg,Al)3(Al3Si)O10(OH)2

monoklin : 2/m, m : C2/m, ?

71.02.02c.02

Anandite

(Ba,K)(Fe2+,Mg)3(Si,Al,Fe)4O10(S,OH)2

monoklin : 2/m : C2/c

71.02.02c.04

Oxykinoshitalite

(Ba,K)(Mg,Fe2+,Ti4+)3(Si,Al)4O10O2

monoklin : 2/m : C2/m

71.02.02c.08

Hydrobiotite

K(Mg,Fe2+)6(Si,Al)8O20(OH)4·nH2O

monoklin : 2/m : C2/m

71.02.02d.01

Cuprorivaite

CaCuSi4O10

tetragonal : 4/mmm : P4/ncc

71.02.03.01

Gillespite

BaFe2+Si4O10

tetragonal : 4/mmm : P4/ncc

71.02.03.02

Effenbergerite

BaCu[Si4O10]

tetragonal : 4/mmm : P4/ncc

71.02.03.03

Wesselsite

Sr0.9Ba0.1CuSi4O10

tetragonal : 4/mmm : P4/ncc

71.02.03.04

Ferrisurite

(Pb,Ca)2-3(Fe3+,Al)2[(OH,F)2.5-3|(CO3)1.5-2|Si4O10]·0.5 H2O

monoklin : 2, 2/m : P21, P21/m

71.02.04.01

Surite

Pb2Ca(Al,Mg)2(Si,Al)4O10(OH)2(CO3,OH)3·0.5 H2O

monoklin : 2 : P21

71.02.04.02

Niksergievite

(Ba, Ca)2Al3[(OH)6|CO3|(Si, Al)4O10]·0.2 H2O

monoklin : 2/m, 2, m : C2/m, C2, Cm

71.02.04.03

Macaulayite

(Fe3+,Al)24Si4O43(OH)2

71.02.05.01

Other languages

German

Gillespit

Spanish

Gillespita

English

Gillespite

French

Gillespite

Russian

Джиллеспит

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