How to use the mindat.org media viewer

Click/touch this help panel to close it.

Welcome to the mindat.org media viewer. Here is a quick guide to some of the options available to you. Different controls are available depending on the type of media being shown (photo, video, animation, 3d image)

Controls - all media types

Zoom in and out of media using your mousewheel or with a two-finger 'resize' action on a touch device.

Use the mouse or your finger to drag the image or the view area of the image around the screen.

< and > at the left and right hand side of the screen move forwards and backwards for the other images associated with the media you selected. Usually this is for further photos of the same specimen. Keyboard shortcuts: use the left and right arrow keys.

> in the bottom center, raises the information box giving details and further options for the media, < at the top of this box then hides it. Keyboard shortcuts: use the up and down arrow keys.

? opens this help window. Keyboard shortcuts: use the H key or the ? key.

Other keyboard shortcuts:

1Fit image to screen
2Fill screen with image
5Display at full resolution
<Make background darker
>Make background lighter
spaceHide/dim titles and buttons

Controls - Video

Video files have a standard set of video controls: - Reset to start, - Skip back, - Play, - Pause, - Skip forwards. Keyboard shortcuts: You can stop/start video play with the P key.

Controls - Animation (Spin Rotation)

Animation (usually 360 degree spin rotations) have their own controls: - enable spin mode. Note that while images are loading this option will not be available but will be automatically activated when the animation has loaded. Once active you can spin the image/change the animation by moving your mouse or finger on the image left/right or by pressing the [ or ] keys.

The button switches to move mode so that you can use your mouse/fingers to move the image around the screen as with other media types.

The button, or the P key will start playing the animation directly, you can interrupt this by using the mouse or finger on the image to regain manual movement control.

Controls - 3D Stereoscopic images

Stereoscopic 3D image viewing requires a suitable 3D television or monitor correctly configured for your computer. Passive 3D systems such as LG 3DTVs are the easiest to configure for this.

To enable/disable 3D stereo display of a compatible stereo pair image press the 3 key. If the left/right images are reversed on your display (this often happens in full-screen mode) press the 4 key to reverse them.

Summary of all keyboard shortcuts

1Fit image to screen
2Fill screen with image
3Switch to 3D display of stereo pair
4Switch left/right images in 3D mode
5Display at full resolution
<, >Make background darker/lighter
H or ?Show/hide this help page
PPlay/Pause Video or Animation
[, ]Backwards/forwards one frame (Animation only)
up arrowShow information box
down arrowHide information box
left arrowPrevious image/media page
right arrowNext image/media page
spaceHide/dim titles and buttons

Copyright © Colección Mineralógica Instituto Canarias Cabrera Pinto – La Laguna – Tenerife – Spain.


Copyright © Colección Mineralógica Instituto Canarias Cabrera Pinto – La Laguna – Tenerife – Spain.  - This image is copyrighted. Unauthorized reproduction prohibited.
Dimensions: 12 cm x 9 cm x 7 cm

Large mass dense and weighing of Emery, this is a metamorphic rock, a mixture of Corundum, Spinel and iron oxides, mainly Magnetite and Hematite. It comes from the Greek island of Naxos where it was first described, and which was exploited for abrasives for thousands of years, not being until the nineteenth century it lost its monopoly by the discovery of new deposits in Turkey and the USA. It comes from the House Eloffe from Paris (about 1850).

Specimen size: 12x9x7 cm

Photography: Agustín Agudo Espinosa

Versión española:
Gran masa densa y pesada de Esmeril, se trata de una roca metamórfica, mezcla de Corindón, Espinela y óxidos de Hierro, principalmente Magnetita y Hematites.
Procede de la isla griega de Naxos donde se describió por primera vez, y donde fue explotada para abrasivos durante miles de años, no siendo hasta el siglo XIX que perdió el monopolio por el descubrimiento de nuevos yacimientos en Turquia y Estados Unidos.
Procede de la Casa Eloffe de París (sobre 1850).

Tamaño del ejemplar: 12x9x7 cm

Fotografía: Agustín Agudo Espinosa

Ejemplar de la Colección Mineralógica Instituto Canarias Cabrera Pinto

This photo has been shown 1262 times
Photo added:17th Jul 2012
Dimensions:1024x768px (0.79 megapixels)
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