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Fluoro-tremolite

Collectors Summary

Crystal System monoklin, C2/m

Chemism

Chem­ical formula

☐Ca2Mg5Si8O22F2

Chem­ical com­po­si­tion

Calcium, Magnesium, Silicium, Fluor, Sauerstoff, Vakanz

Unit weight: 816.35060651 u; Number of atoms in the formula: 40

Info

Empirical formula:

VcCa2Mg5Si8O22F2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Vacancy

Vc

0.00

1

2.50

0.0000000

0.0000000

Oxygen

O

43.12

22

55.00

15.9994300

351.9874600

Fluorine

F

4.65

2

5.00

18.9984033

37.9968065

Magnesium

Mg

14.89

5

12.50

24.3050600

121.5253000

Silicon

Si

27.52

8

20.00

28.0855300

224.6842400

Calcium

Ca

9.82

2

5.00

40.0784000

80.1568000

Strunz 9th edi­tion incl. updates

9.DE.10

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
E: Ketten- und Bandsilikate mit 2-periodischen Doppelketten, Si4O11; Amphibol-Familie, Klinoamphibole
10:Amphibole: Ca

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Calcium amphiboles  ⇒ Tremolite (Tr) amphiboles

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

9.846(2)

Cell param­e­ters b (Å)

18.050(3)

Cell param­e­ters c (Å)

5.277(1)

Cell param­e­ters a/b or c/a

0.545

Cell param­e­ters c/b

0.292

Cell param­e­ters α

90°

Cell param­e­ters β

104.80(2)°

Cell param­e­ters γ

90°

Volumne (ų)

906.716

Kristall struc­ture

Amphibol-Supergruppe; Struktur bestimmt

X-Ray Pow­der Diffrac­tion

3.381(57), 3.276(38), 3.126(67), 2.940(43), 2.706(100), 2.592(34), 2.531(59), 2.337(36)

XRD chart Fluoro-tremolite

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

Crystals 3D

Open larger view

(Co-)Type locality

(Co-)Type locality

USA/New Jersey/Sussex Co./Sparta Township/Limecrest Quarry (Limecrest-Southdown quarry)

Type mate­r­ial

Franklin Mineral Museum, 32 Evans Street, Franklin, 07416 New Jersey, USA

Col­lec­tion number of type mate­r­ial

7710

Preface

Author (Name, Year)

Roberta Oberti, Fernando Cámara, Fabio Bellatreccia, Francesco Radica and Antonio Gianfagna (2016)

References

Oberti, R., Cámara, F., Bellatreccia, F., Radica, F. and Gianfagna, A. (2016) Fluoro-tremolite, IMA 2016-018. CNMNC Newsletter No. 32, August 2016, page 917; Mineralogical Magazine, 80, 915-922.

IMA group assignments

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

Chromio-pargasite

NaCa2Mg4Cr(Si6Al2O22)(OH)2

monoklin : 2/m : C2/m

9.DE.10

Tremolite

☐Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.10

Actinolite

☐Ca2(Mg,Fe2+)5Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.10

'Cannilloite'

CaCa2(Mg4Al)(Si5Al3)O22(OH)2

monoklin : 2/m : C2/m

9.DE.10

Joesmithite

Pb2+Ca2(Mg3Fe3+2)(Si6Be2)O22(OH)2

monoklin : 2/m : P2/a

9.DE.10

Potassic-fluoro-pargasite

KCa2(Mg4Al)Si6Al2O22F2

monoklin : 2/m : C2/m

9.DE.10

Tschermakite

☐Ca2(Mg3Al2)(Si6Al2)O22(OH)2

monoklin : 2/m : C2/m

9.DE.10

Oxo-magnesio-hastingsite

NaCa2(Mg2Fe3+3)(Si6Al2)O22O2

monoklin : 2/m : C2/m

9.DE.10

Ferro-hornblende

☐Ca2(Fe2+4Al)(Si7Al)O22(OH)2

monoklin : 2/m : C2/m

9.DE.10

Fluoro-tremolite

☐Ca2Mg5Si8O22F2

monoklin : 2/m : C2/m

9.DE.10

Vanadio-pargasite

NaCa2(Mg4V)[Si6Al2]O22(OH)2

monoklin : 2/m : C2/m

9.DE.10

Ferritschermakite

☐CaNa(Fe2+)3(Fe3+)2(Si7Al)O22(OH)2

monoklin : 2/m : C2/m

9.DE.10

Ferro-actinolite

Ca2(Fe2+)5Si8O22(OH)2

monoklin : 2/m : C/2m

9.DE.10

Ferro-tschermakite

☐Ca2(Fe2+3Al2)(Si6Al2)O22(OH)2

monoklin : 2/m : C2/m

9.DE.10

Fluoro-cannilloite

(Ca,Na)Ca2(Mg,Fe2+)4Al[(F,OH)2|Al2Si5O22]

monoklin : 2/m : C2/m

9.DE.10

Aluminotschermakite

☐[Ca2][Mg3Al2][(OH)2|Al2Si6O22]

monoklin : 2/m : C2/m

9.DE.10

Magnesio-hornblende

☐Ca2(Mg4Al)(Si7Al)O22(OH)2

monoklin : 2/m : C2/m

9.DE.10

Oxo-mangani-leakeite

NaNa2(Mn3+4Li)Si8O22O2

monoklin : 2/m : C2/m

9.DE.10

'Parvo-manganotremolite' (Var.v. Abchasit)

AB(CaMn)Σ2CMg5TSi8O22(OH)2

monoklin : 2/m : C2/m

9.DE.10

Ferri-ferrotschermakite

Ca2(Fe2+3Fe3+2)(Si6Al2)O22(OH)2

monoklin : 2/m : C/2m

9.DE.10

Alumino-ferrotschermakite

Ca2Fe32+Al2[OH|AlSi3O11]2

monoklin : 2/m : C2/m

9.DE.10

'Potassic-ferro-sadanagaite'

KCa2(Fe2+3Al2)(Si5Al3)O22(OH)2

9.DE.10

Magnesio-ferri-fluoro-hornblende

☐Ca2(Mg4Fe3+)(Si7Al)O22F2

monoklin : 2/m : C2/m

9.DE.10

Other languages

German

Fluoro-Tremolit

English

Fluoro-tremolite

Russian

Фтортремолит

Alternative Name

German

Fluorotremolit

CNMNC (IMA)-Number

IMA 2016-018

CNMNC symbol

Symbol

Ftr

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

German pages

DeWikiPedia - search for: Fluoro-Tremolit
Google-Bilder-Suche - search for: Fluoro-Tremolit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Fluoro-Tremolit

English pages

Mindat - search for: Fluoro-tremolite
Webmineral - search for:Fluoro-tremolite
Handbook-of-Mineralogy - search for: Fluoro-tremolite
RRUFF - Raman, XRD and other mineral data - search for: Fluoro-tremolite
RRUFF - References and PDF downloads - search for: Fluoro-tremolite
American-Mineralogist-Crystal-Structure-Database - search for: Fluoro-tremolite
Athena - search for: Fluoro-tremolite
Strahlen.org - search for: Fluoro-tremolite
Mineralienatls.de (Forum) - search for: Fluoro-Tremolit

Russian pages

Webmineral.ru - search for: Фтортремолит

Mineral Dealer

German pages

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

Locations with GPS information