Polished slab of labradorite
Labradorite (calcium sodium aluminum silicate) can seem dull and grey until the light hits correctly, then an array of colours can be observed glowing on the surface
Picture No
10703743
Media ID
47586407
Size
4711px x 3743px
(10.1MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Aluminium Aluminum Calcium Colouration Feldspar Iridescent Mineral Plagioclase Polished Silicate Slab Sodium Tectosilicate
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