Quartz (SiO2). A glassy or crystalline form of silicon dioxide. Many colored varieties are semiprecious stones. (From Grant & Hackh's Chemical Dictionary, 5th ed)
Registry Number
14808-60-7
CAS Type 1 Name
Quartz (SiO2)
Public MeSH Note
91,63-64; was see under SILICA 1965-90; was heading 1963-64
Online Note
use SILICA to search QUARTZ 1966-74
History Note
91(75)63-64; was see under SILICA 1965-90; was heading 1963-64
Quartz (SiO2). A glassy or crystalline form of silicon dioxide. Many colored varieties are semiprecious stones. (From Grant & Hackh's Chemical Dictionary, 5th ed)
