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Hydroxyapophyllite-(K) (Hydroxyapophyllit)

Pictures (25 Images total)

Phillipsit-K
Views (File:
1346179742
): 1275
Phillipsit-K
Prismatische farblose Kristalle umgeben von tafeligen farblosen Apophyllit-(KOH), BB = 3,8 mm, Fundort: Steinberg, Mühldorf (bei Feldbach), Feldbach-Bezirk, Steiermark, Österreich.
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A025905, Donator: Jürgen Wachsmuth
Location: Österreich/Steiermark/Südoststeiermark, Bezirk/Mühldorf/Steinberg
Mineral: Hydroxyapophyllite-(K), Phillipsite-K
Image: 1346179742
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Phillipsit-K (SNr: A025905)

Prismatische farblose Kristalle umgeben von tafeligen farblosen Apophyllit-(KOH), BB = 3,8 mm, Fundort: Steinberg, Mühldorf (bei Feldbach), Feldbach-Bezirk, Steiermark, Österreich.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2012-08-28
Locality: Steinberg / Mühldorf / Südoststeiermark, Bezirk / Steiermark / Österreich
Hydroxyapophyllit-(K), Prehnit
Views (File:
1547028143
): 631
Hydroxyapophyllit-(K), Prehnit
Größe: 33x25x13 mm; Fundort: Bull Run Quarry, Conklin, Loudoun Co., Virginia, USA
Copyright: Jewels-Fine-Minerals; Contribution: slugslayer
Location: USA/Virginia/Loudoun Co./Conklin/Bull Run Quarry
Mineral: Hydroxyapophyllite-(K), Prehnite
Image: 1547028143
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Hydroxyapophyllit-(K), Prehnit

Größe: 33x25x13 mm; Fundort: Bull Run Quarry, Conklin, Loudoun Co., Virginia, USA

Copyright: Jewels-Fine-Minerals
Contribution: slugslayer 2019-01-09
Locality: Bull Run Quarry / Conklin / Loudoun Co. / Virginia / USA
Hydroxyapophyllit-(K), Prehnit
Views (File:
1609612442
): 374
Hydroxyapophyllit-(K), Prehnit
BB: ca. 45 mm; weisser Hydroxyapophyllit-(K) mit grünlichem Prehnit; FO: New Goose Creek Quarry; Loudon Co, Virginia, USA
Copyright: Harald Biecker; Contribution: Harald Biecker
Collection: Harald Biecker
Location: USA/Virginia/Loudoun Co./Leesburg/New Goose Creek Quarry
Mineral: Hydroxyapophyllite-(K)
Image: 1609612442
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Hydroxyapophyllit-(K), Prehnit

BB: ca. 45 mm; weisser Hydroxyapophyllit-(K) mit grünlichem Prehnit; FO: New Goose Creek Quarry; Loudon Co, Virginia, USA

Collection: Harald Biecker
Copyright: Harald Biecker
Contribution: Harald Biecker 2021-01-02
Locality: New Goose Creek Quarry / Leesburg / Loudoun Co. / Virginia / USA
Mesolith, Apophyllit-(KOH)
Views (File:
1322115131
): 4426, Rating: 8.25
Mesolith, Apophyllit-(KOH)
Größe: 11 x 10 cm; Fundort: Pashan, Distrikt Pune, Maharashtra, Indien
Copyright: Rock Currier; Contribution: slugslayer
Collection: National Museum of Natural History (Smithsonian Institution)
Location: Indien/Maharashtra/Pune (Poona), Distrikt/Pashan-Hügel (Pashan Hills)
Mineral: Hydroxyapophyllite-(K), Mesolite
Image: 1322115131
Rating: 8.25 (votes: 4)
License: Usage for Mineralienatlas project only
Mesolith, Apophyllit-(KOH)

Größe: 11 x 10 cm; Fundort: Pashan, Distrikt Pune, Maharashtra, Indien

Collection: National Museum of Natural History (Smithsonian Institution)
Copyright: Rock Currier
Contribution: slugslayer 2011-11-24
Locality: Pashan-Hügel (Pashan Hills) / Pune (Poona), Distrikt / Maharashtra / Indien
Hydroxyapophyllit
Views (File:
1109764148
): 2748
Hydroxyapophyllit
Kristalle bis 23 mm; begl. von Gyrolith; Fundort: Kandivli-Damupada Quarry, Mumbai (Bombay), Indien
Copyright: Collector; Contribution: Mineralienatlas
Location: Indien/Maharashtra/Mumbai (Bombay), Distrikt/Mumbai (Bombay), Stadt/Kandivli-Damupada
Mineral: Hydroxyapophyllite-(K)
Image: 1109764148
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Hydroxyapophyllit

Kristalle bis 23 mm; begl. von Gyrolith; Fundort: Kandivli-Damupada Quarry, Mumbai (Bombay), Indien

Copyright: Collector
Contribution: Mineralienatlas 2005-03-02
Locality: Kandivli-Damupada / Mumbai (Bombay), Stadt / Mumbai (Bombay), Distrikt / Maharashtra / Indien
Apophyllit-(KOH)
Views (File:
1259392049
): 2084
Apophyllit-(KOH)
Größe: 12,0 x 7,0 cm; Fundort: N'Chwaning Mine, Kalahari-Manganfeld, Provinz Nordkap, Südafrika
Copyright: Onlineminerals.com; Contribution: slugslayer
Location: Südafrika/Nordkap (Northern Cape), Provinz/Kalahari Manganese Field/Kuruman/N'Chwaning Mines (NChwaning Mines)
Mineral: Hydroxyapophyllite-(K)
Image: 1259392049
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Apophyllit-(KOH)

Größe: 12,0 x 7,0 cm; Fundort: N'Chwaning Mine, Kalahari-Manganfeld, Provinz Nordkap, Südafrika

Copyright: Onlineminerals.com
Contribution: slugslayer 2009-11-28
Locality: N'Chwaning Mines (NChwaning Mines) / Kuruman / Kalahari Manganese Field / Nordkap (Northern Cape), Provinz / Südafrika

You find additional specimen at the Geolitho Museum

Collectors Summary

Color weiß, rosa, hellgrün, gelb, violett, farblos
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 4.75
Solubility +++ Säuren, Ultraschallbad!
Crystal System tetragonal, P4/mnc
Morphology Tafelige bis säulige, idiomorphe Kristalle; manchmal gestreift. Multiple Zwillinge.

Chemism

Chemical formula

KCa4Si8O20(OH,F)·8H2O

Chemical composition

Calcium, Silicium, Fluor, Kalium, Sauerstoff, Wasserstoff

Unit weight: 905.7124755625 u; Number of atoms in the formula: 58.75

Info

Empirical formula:

KCa4Si8O20((OH)0.75F0.25)·8H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.86

16.75

28.51

1.0079470

16.8831123

Oxygen

O

50.79

28.75

48.94

15.9994300

459.9836125

Fluorine

F

0.52

0.25

0.43

18.9984033

4.7496008

Silicon

Si

24.81

8

13.62

28.0855300

224.6842400

Potassium

K

4.32

1

1.70

39.0983100

39.0983100

Calcium

Ca

17.70

4

6.81

40.0784000

160.3136000

Analysis wt%

SiO2 : 52.59, CaO : 25.44, K2O : 5.00, H2O : 16.89 (Ref: American Mineralogist 78)

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.01-030

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

Classification by Hölzel

9.EA.110

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

Dana 8th edition

72.03.01.02

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 von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Apophyllit-Gruppe

Optical Properties

Color

weiß, rosa, hellgrün, gelb, violett, farblos

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend, auch opak

Lustre

Glasglanz

max. Birefringence

0.001

Birefringence chart\! Hydroxyapophyllite-(K) title=Birefringence chart Hydroxyapophyllite-(K)

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

1.543

RI value γ / ε

1.542

Ri mean

1.543

2V angle

Uniaxial (+)

Optical Data Luminescence

Color SW-UV (254nm)

 

weiß

SW-UV Intensity

schwach

Color SW-UV Afterglow (254nm)

 

weiß

SW-UV Afterglow Intensity

schwach

Crystallography

Crystal System

tetragonal

Class (H-M)

4/mmm

Space Group number

128

Space Group

P4/mnc

Cell parameters a (Å)

8.978

Cell parameters b (Å)

-

Cell parameters c (Å)

15.83

Cell parameters a/b or c/a

1.763

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volume (ų)

1275.969

X-Ray Powder Diffraction

7.90(10),
7.82(10),
4.554(20),
3.965(100),
3.580(10),
2.990(70),
2.494(20),
1.588(30)

XRD chart Hydroxyapophyllite-(K)

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

Morphology

Tafelige bis säulige, idiomorphe Kristalle; manchmal gestreift. Multiple Zwillinge.

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

4.75

VHN (Hardness Vickers)

340 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.3 - 2.4 / Durchschnittlich = 2.34

2.357 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren, Ultraschallbad!

(Co-)Type locality

(Co-)Type locality

USA/North Carolina/Ashe Co./Ore Knob/Ore Knob Mine

Preface

Occurrences

Basalt-Geoden und Drusen

Associations

Zeolithe, Fluorapophyllit, Datolith, Pektolith, Gyrolith, Calcit

Rareness

Lokal häufig

Author (Name, Year)

Dunn & Rouse & Norberg, 1978

Additional Information

Bildet eine Serie mit Fluorapophyllit

References

American Mineralogist 63 (1978), 196

IMA group assignments

Other languages

German

Hydroxyapophyllit-(K)

Spanish

Hydroxyapophyllita-(K)

English

Hydroxyapophyllite-(K)

Russian

Гидроксиапофиллит

old name

German

Apophyllit-(KOH)

Spanish

Apophyllita-(KOH)

English

Apophyllite-(KOH)

Spanish

Hidroxiapofilita

German

Hydroxyapophyllit

English

Hydroxyapophyllite

Alternative Name

Spanish

Hydroxyapophyllita

French

Hydroxyapophyllite

Russian

Апофиллит-(KOH)

CNMNC symbol

Symbol

Hapo-K

Locations with GPS information

IDs

GUSID (Global unique identifier short form) ll7P5yKi3Eej2aa4CuG3zg
GUID (Global unique identifier) E7CF5E96-A222-47DC-A3D9-A6B80AE1B7CE
Database ID 1678