Difference between revisions of "Cryptocrystalline"

Revision as of 10:13, 3 September 2019

a term for glassy rocks which break with a conchoidal fracture, such as obsidian.

Revision as of 15:04, 25 August 2019 (view source) Webref (talk \| contribs) ← Older edit		Revision as of 10:13, 3 September 2019 (view source) Webref (talk \| contribs) Newer edit →
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	[[Category: Anthropology]]		[[Category: Anthropology]]
		+	[[Category: Archaeology]]