Whatu

Ko te whatu (hoki: hatu, kōwhatu, kohatu, pōwhatu) he rawa mārō tāpiripiria mai ranu o ētahi kohuke ki hanga nahanaha.William D. Nesse (2000). Introduction to mineralogy. New York: Oxford University Press. ISBN 9780195106916. Wh. 3."What are minerals?". Pokapū Akoranga Pūtaiao. 2007. Te Whare Wānanga o Waikato. Ka inea te mārōnga o tētahi whatu me te āwhata Mohs."Mohs scale of hardness". Mineralogical Society of America. 1997.

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