Mindat Logo
Home Page Log In Messageboard The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Apophyllite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Apophyllite-(KF)
Millington Quarry (Morris County Crushed Stone Co. Quarry; Tilcon Quarry), Bernards Township, Somerset Co., New Jersey, USA
© Frank A. Imbriacco III

Show Apophyllite Photos (1665)



Colour:WhiteHardness:4½ - 5
Name:From the Greek for "away from" (ἀπό, apo) and "leaf" (φύλλον, phyllos), in allusion to the way it exfoliates upon heating.
Synonym of:Apophyllite-(KF), Apophyllite-(KOH), Apophyllite-(NaF)
This page provides mineralogical data about Apophyllite.

Classification of Apophyllite

mindat.org URL:http://www.mindat.org/min-283.html
Please feel free to link to this page.

Physical Properties of Apophyllite

Lustre:Vitreous, Pearly
Colour:White
Streak:White
Hardness (Mohs):4½ - 5
Density (measured):2.33 - 2.37 g/cm3
Density (calculated):2.37 g/cm3

Crystallography of Apophyllite

Crystal Atlas:
Image Loading
Click on an icon to view
Apophyllite no.4 - Goldschmidt (1913-1926)
Apophyllite no.5 - Goldschmidt (1913-1926)
Apophyllite no.6 - Goldschmidt (1913-1926)
Apophyllite no.18 - Goldschmidt (1913-1926)
Apophyllite no.51 - Goldschmidt (1913-1926)
Apophyllite no.98 - Goldschmidt (1913-1926)

About Crystal Atlas

You may need to scroll this box using your mouse to view the full instructions.

The mindat.org Crystal Atlas allows you to view a selection of crystal drawings of real and idealised crystal forms for this mineral and, in certain cases, 3d rotating crystal objects. You need Java to see these. You can download Java for free - click here to download Java

The 3d models and java code are kindly provided by www.smorf.nl. You can control the movement of the models by holding down the left mouse-button over the 3d model and moving your mouse. Keyboard controls are:

: default positions
t/T: decrease/increase transparency x/X: next/previous texture
b/B: next/previous background w: toggle wireframe
s: toggle sticks m: toggle miller indices
k: toggle crystallographic axes =/-: zoom in/out
r: stop/start rotation 1/2/3

Optical Data of Apophyllite

Type:Uniaxial (+)
RI values: nω = 1.535 nε = 1.537
Maximum Birefringence:δ = 0.002

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low

Other Names for Apophyllite

Synonyms:
ApofilliteApophyllite GroupBrünichiteBrünnichiteBrünnikite
Fisheye StoneIchthyophthalmeIchthyophthalmiteLeucocycliteMesoype
OxhaveriteOxheveritePyramidal ZeoliteTesselite
Other Languages:
Dutch:Apofylliet
French:Epointée
German:Albin
Apofillit
Apophyllit
Brünichit
Brünnichit
Brünnikit
Fischaugenstein (of Werner)
Ichthyophthalm
Ichthyophthalmit
Leucocyclit
Leukocyclit
Leukozyklit
Oxhaverit
Oxheverit
Tesselit
Hungarian:Apofillit-csoport
Japanese:魚眼石
Norwegian (Bokmål):Apofyllitt
Polish:Apofyllit
Portuguese:Apofilita
Russian:Апофиллит
Spanish:Apofilita
Apofillita
Apophyllita
Brünichita
Brünnichita
Brünnikita
Ichthyophthalmita
Leucocyclita
Oxhaverita
Oxheverita
Tesselita
Ukrainian:Апофіліт
Varieties:
Chromocyclite

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Apophyllite

Reference List:

- +
Dunn, Pete J., R.C. Rouse & J.A. Norberg (1978), Hydroxyapophyllite, a new mineral and a redefinition of the apophyllite group: Am. Min.: 63: 196-202.

Internet Links for Apophyllite

Search Engines:
  • Look for Apophyllite on Google
  • Look for Apophyllite images on Google
    • Mineral Dealers:
  • The Arkenstone - Fine Minerals
  • Search for Apophyllite on Well-Arranged Molecules
  • Search for minerals at Heliodor
  • Buy minerals from YourMineralCollection
  • Buy from David K Joyce minerals
  • webminerals
  • High-end worldwide specimens & outstanding customer service
  • Search for - Apophyllite - on e-Rocks Mineral Sales & Auctions
  • SpiriferMinerals.com - high quality low prices
  • Buy fine minerals and gemstones from Pala International
  • Buy RARE Minerals from Rocks of Africa
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
    • Specimens:The following Apophyllite specimens are currently listed for sale on minfind.com.
    Jobs:
  • Mining & Geology Jobs

    • Localities for Apophyllite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    Show Locality List (981 Items)
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 18th Aug 2012 11:01:25
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds