Size is as-packaged, or the diameter of loose marbles. ("D" is the diameter of round items other than marbles.)
Snowflake Obsidian is among the most eye-appealing minerals when polished, with it's high-contrast white 'snowflake' crystal patterns of the mineral Cristobalite against a base of black volcanic glass. It makes an exceptional and eye-appealing shooter! Marbles are sold individually.
This marble has a truly unique look to it. Imagine an artist putting drops of black paint into a pool of white paint. The black paint then spreads into the white and makes little vein like patterns all over. That's what I thought of when I saw this marble in my order today. You'll love it, truly.
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