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Fluorapophyllite-(K)

Pictures (140 Images total)

Fluorapophyllit-(K)
Views (File:
1644152445
): 548
Fluorapophyllit-(K)
Klarer Fluorapophyllit-(K) Kristall auf Analcim; Bildbreite 6,3mm; Fundort: Steinbr. Oddskarðsvegur, Neskaupstaður, Austurland, IS; Analysiert mit Raman und EDX.
Copyright: guefz; Contribution: guefz
Collection: guefz
Location: Island/Ostisland (Austurland), Region/Fjarðabyggð/Neskaupstaður/Steinbruch Oddskarðsvegur
Mineral: Fluorapophyllite-(K)
Image: 1644152445
License: Usage for Mineralienatlas project only
Fluorapophyllit-(K)  E
Analysed with energy dispersive X-ray spectroscopy EDX
R
Analysed with RAMAN spectroscopy

Klarer Fluorapophyllit-(K) Kristall auf Analcim; Bildbreite 6,3mm; Fundort: Steinbr. Oddskarðsvegur, Neskaupstaður, Austurland, IS; Analysiert mit Raman und EDX.
Collection: guefz
Copyright: guefz
Contribution: guefz 2022-02-06
Locality: Steinbruch Oddskarðsvegur / Neskaupstaður / Fjarðabyggð / Ostisland (Austurland), Region / Island
Fluorapophyllit
Views (File:
1652983865
): 76
Fluorapophyllit
Fundort: Windhoek, Windhoek District, Khomas Region, Namibia; Bildbreite 2,4mm
Copyright: Karl-Heinz M.; Contribution: khm
Collection: Eberhard Z.
Location: Namibia/Khomas, Region/Windhoek-Land, Kreis/Aris/Aris-Steinbrüche (Ariskop Quarry; Railway Quarry)
Mineral: Fluorapophyllite-(K)
Image: 1652983865
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Fluorapophyllit

Fundort: Windhoek, Windhoek District, Khomas Region, Namibia; Bildbreite 2,4mm
Collection: Eberhard Z.
Copyright: Karl-Heinz M.
Contribution: khm 2022-05-19
Locality: Aris-Steinbrüche (Ariskop Quarry; Railway Quarry) / Aris / Windhoek-Land, Kreis / Khomas, Region / Namibia
Fluorapophyllit
Views (File:
1174983130
): 4847, Rating: 9
Fluorapophyllit
Bildbreite: 3 mm; Fundort Stbr. Caspar, Ettringer Bellerberg, Ettringen, Mayen, Eifel
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Mayen/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)
Mineral: Fluorapophyllite-(K)
Image: 1174983130
Rating: 9 (votes: 10)
License: Usage for Mineralienatlas project only
Fluorapophyllit

Bildbreite: 3 mm; Fundort Stbr. Caspar, Ettringer Bellerberg, Ettringen, Mayen, Eifel
Copyright: Stephan Wolfsried
Contribution: Hg 2007-03-27
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Mayen / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Fluorapophyllit x
Views (File:
1200339730
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Fluorapophyllit x
Fundort: Rahuri, Ahmadnagar, Maharashtra, Indien; Größe: 5 cm lang
Copyright: berthold; Contribution: berthold
Collection: berthold
Location: Indien/Maharashtra/Ahmadnagar (Ahmednagar), Distrikt/Rahuri
Mineral: Fluorapophyllite-(K)
Image: 1200339730
Rating: 9 (votes: 7)
License: Usage for Mineralienatlas project only
Fluorapophyllit x

Fundort: Rahuri, Ahmadnagar, Maharashtra, Indien; Größe: 5 cm lang

Collection: berthold
Copyright: berthold
Contribution: berthold 2008-01-14
Locality: Rahuri / Ahmadnagar (Ahmednagar), Distrikt / Maharashtra / Indien
Apophyllit-(KF)
Views (File:
1269643554
): 2182
Apophyllit-(KF)
Apophyllit-(KF) auf Stilbit. Bildbreite: ca. 3 cm, Fundort: Nasik-Steinbruch, Nasik, Maharashtra, Indien.
Copyright: Dan Weinrich; Contribution: thdun5
Location: Indien/Maharashtra/Nashik (Nasik), Distrikt/Nasik
Mineral: Fluorapophyllite-(K)
Image: 1269643554
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Apophyllit-(KF)

Apophyllit-(KF) auf Stilbit. Bildbreite: ca. 3 cm, Fundort: Nasik-Steinbruch, Nasik, Maharashtra, Indien.
Copyright: Dan Weinrich
Contribution: thdun5 2010-03-26
Locality: Nasik / Nashik (Nasik), Distrikt / Maharashtra / Indien
Apophyllit-(KF)
Views (File:
1274707900
): 1283
Apophyllit-(KF)
Größe: 5,8 x 2,6 x 1,8 cm, Fundort: Jalgaon, Maharashtra, Indien
Copyright: Dan Weinrich; Contribution: thdun5
Location: Indien/Maharashtra/Jalgaon, Distrikt
Mineral: Fluorapophyllite-(K)
Image: 1274707900
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Apophyllit-(KF)

Größe: 5,8 x 2,6 x 1,8 cm, Fundort: Jalgaon, Maharashtra, Indien
Copyright: Dan Weinrich
Contribution: thdun5 2010-05-24
Locality: Jalgaon, Distrikt / Maharashtra / Indien

You find additional Fluorapophyllite-(K) specimen at the Geolitho Museum

Collectors Summary

Color weiß, farblos, grün, rosa, braun
Streak color weiß
Lustre Glasglanz - Perlmuttglanz
Hardness (Mohs) 4.5 - 5
Solubility +++ Säuren, Ultraschallbad!
Crystal System tetragonal, P4/mnc

Chemism

Chemical formula

KCa4Si8O20F·8H2O

Chemical composition

Calcium, Silicium, Fluor, Kalium, Sauerstoff, Wasserstoff

Unit weight: 907.20574525 u; Number of atoms in the formula: 58

Info

Empirical formula:

KCa4Si8O20F·8H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.78

16

27.59

1.0079470

16.1271520
Oxygen

O

49.38

28

48.28

15.9994300

447.9840400
Fluorine

F

2.09

1

1.72

18.9984033

18.9984033
Silicon

Si

24.77

8

13.79

28.0855300

224.6842400
Potassium

K

4.31

1

1.72

39.0983100

39.0983100
Calcium

Ca

17.67

4

6.90

40.0784000

160.3136000

Analysis wt%

SiO2 : 51.98, K2O : 4.45, Na2O : 0.61, CaO : 25.10, F : 2.20, H2O : 16.25 (Ref: American Mineralogist 71)

Strunz 9th edition incl. updates

9.EA.15

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
A: Einfache Tetraedernetze mit 4-, 5-, (6-), und 8 beteiligten Ringen
15:

Lapis Classification

VIII/H.01-020

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

Classification by Hölzel

9.EA.100

9: SILICATES
E: Phyllosilicates
A: tetragonal & pseudotetragonal Phyllosilicates
1: Apophyllite-Group

Hey's Chemical Index of Minerals

17.01.05

17: Silicates Containing other Anions
01: Silicates with fluoride (not containing Al)

Dana 8th edition

72.03.01.01

72: Phyllosilicates Phyllosilicate Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
03: Phyllosilicates Phyllosilicate Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 3-, 4-, or 5-membered rings and 8-membered rings
01: Apophyllite group (4- & 8-membered rings)

IMA status

anerkannt 1976

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Apophyllit-Gruppe

Optical Properties

Color

weiß, farblos, grün, rosa, braun

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

Lustre

Glasglanz - Perlmuttglanz

max. Birefringence

nicht wahrnehmbar

RI value α / ω / n

1.54

RI value γ / ε

1.54

Ri mean

1.540

2V angle

Uniaxial (+)-

Optical Data Luminescence

Color LW-UV (365nm)

  

gelblich weiß

Color SW-UV (254nm)

  

grünlich

LW-UV Other Colors

  

gelb

SW-UV Other Colors

    

gelblich weiß, grün

Most Common Activator

(UO2)2+ (Uranyl-Ion) als Verunreinigungen

Other Activators

Ce3+, Mn2+

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

tetragonal

Class (H-M)

4/mmm

Space Group number

128

Space Group

P4/mnc

Cell parameters a (Å)

8.965

Cell parameters b (Å)

-

Cell parameters c (Å)

15.768

Cell parameters a/b or c/a

1.759

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volumne (ų)

1267.293

X-Ray Powder Diffraction

7.81(100),
4.51(40),
3.90(50),
3.57(60),
3.17(40),
2.95(50),
2.49(90),
2.10(30)
XRD chart Fluorapophyllite-(K)

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)

4.5 - 5

VHN (Hardness Vickers)

340 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.35 (gemessen) 2.37 (berechnet)

2.377 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren, Ultraschallbad!

Preface

Author (Name, Year)

Dunn & Wilson, 1978

References

American Mineralogist 63 (1978), 196.

American Mineralogist 56 (1971), 1234-1242.

Mineralogical Record 9 (1978), 95-98.

Dunn, P. J., Rouse, R. C. & Norberg, J. A. - Hydroxyapophyllite, a new mineral and a redefinition of the apophyllite group - American Mineralogist 63 (1978), 196-202.

Powder Diffraction File (International Center for Diffraction Data) 19-82.

American Mineralogist (1992): 77: 1119.

IMA group assignments

 
Apophyllit-Gruppe
 
 
 

 
 
Fluorapophyllite-(Cs)
CsCa4(Si8O20)F(H2O)8
tetragonal
P4/mnc

 
 
Fluorapophyllite-(K)
KCa4Si8O20F·8H2O
tetragonal
P4/mnc

 
 
Fluorapophyllite-(Na)
NaCa4Si8O20F·8H2O
orthorhombisch
Pnnm

 
 
Fluorapophyllite-(NH4)
NH4Ca4(Si8O20)F·8H2O
tetragonal
P4/mnc

 
 
Hydroxyapophyllite-(K)
KCa4Si8O20(OH,F)·8H2O
tetragonal
P4/mnc

 
 
Hydroxymcglassonite-(K)
KSr4Si8O20(OH)·8H2O
tetragonal
P4/mnc

Refresh list

Actuality: 25. Mar 2023 - 11:42:45

Other languages

German

Fluorapophyllit-(K)

Spanish

Fluorapophyllita-(K)

English

Fluorapophyllite-(K)

Russian

Фторапофиллит

Traditional Chinese

氟魚眼石

Simplified Chinese

氟鱼眼石

old name

German

Apophyllit-(KF)

English

Apophyllite-(KF)

German

Fluorapophyllit

English

Fluorapophyllite

Alternative Name

Spanish

Fluorapophyllita

Russian

Апофиллит-(KF)

CNMNC (IMA)-Number

IMA 1976-001

CNMNC symbol

Symbol

Fapo-K

Locations with GPS information