| quartzoid | <chemistry> A form of crystal common with quartz, consisting of two six-sided pyramids, base to base. Origin: Quartz. Source: Websters Dictionary (01 Mar 1998) |
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| quartzose | <chemical> Containing, or resembling, quartz; partaking of the nature or qualities of quartz. Origin: Cf. F. Quartzeux, G. Quarzig. Source: Websters Dictionary (01 Mar 1998) |
| quartzous | <chemical> Quarzose. Source: Websters Dictionary (01 Mar 1998) |
| quartzy | <chemical> Quartzose. Source: Websters Dictionary (01 Mar 1998) |