Mineralogy Media Library

Index:   B   |   C   |   E   |   F   |   G   |   H   |   K   |   M   |   O   |   P   |   Q   |   S   |   T   |   Z   |   Footnotes

Please ignore colours because they are inaccurate. Images should not be used for studying for exams. This is just a “fun” project and use it at your own risk! Please note that this is an supplementary add-on to the previous collection; Photomicrographs of Minerals.

Interference Colour Chart

Click here for computer generated chart: generate now
Birefringence Chart

C


Calcite


calcite_10-10calcite

Calcite Double Refraction


Double Refraction in Calcite

F


Fluorite


fluorite-1-PPL

H


Hornblende

The “Hornblende-xpl” image shows beautiful 56-124 degree cleavage.

Hornblende-xpl

K


Kyanite


Kyanite-PPLKyanite-XPL

P


Piemontite


Piemontite-1 PPL

Plagioclase


Plagioclase with Olivine inclusions - XPLPlagioclase with Olivine inclusions - XPL II

S


Sillimanite

The following images demonstrate the “addition” effect of colours as the accessory plate is inserted (images from left to right). This indicates a length-slow, or wave length addition.
sillimanite_423pplsillimanite_423xpl_1sillimanite_423xpl_2sillimanite_423xpl_3

Staurolite


Staurolite-PPLStaurolite-XPL

Z


Zircon


Zircon-PPL

Footnotes

You may also reference Photomicrographs of Minerals. To view the original larger image, Right click –> Open in a new tab/window. Redistribution or reproduction without prior permission is prohibited.

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