Quartz (SiO2). A glassy or crystalline form of silicon dioxide. Many colored varieties are semiprecious stones. (From Grant & Hackh's Chemical Dictionary, 5th ed)

Annotation

a form of silicon dioxide

DUI

D011791 MeSH Browser

CUI

M0018324

CAS

Quartz (SiO2)

History note

91(75)63-64; was see under SILICA 1965-90; was heading 1963-64

Online note

use SILICA to search QUARTZ 1966-74

Public note

91,63-64; was see under SILICA 1965-90; was heading 1963-64