English: Lathwork volcanic lithic fragment, scale in millimeters. Top picture in plane-polarized light, bottom picture in cross-polarized light.
Français : Lame mince d'un fragment lithique d'origine volcanique, vue en lumière polarisée (en haut : non analysée ; en bas : analysée). Les côtés du carré blanc mesurent 1 cm.
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(UTC) (Uploaded on Commons at 2011-03-27 10:24:16 (UTC)/Original uploaded at 2009-08-25 18:01:23)
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I (Qfl247 (talk)) created this work entirely by myself. (Original uploaded on en.wikipedia)
{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} The upload bot is User:CommonsHelper2 Bot which is called by [http://toolserver.org/~commonshelper2/index.php CommonsHelper2]. The t