Pharmaceutical Materials

CAS No.14808-60-7

Name

Silicon dioxide

Synonyms

Silica

Quartz

Aerosil

acticel

cab-o-sil

Quartz sand

Fumed silica

cab-o-sperse

Silica, fused

MATTING AGENT

flatting agent

Silicon dioxide

flatting agents

Amorphous silica

Silica, vitreous

delustering agent

Quartz-beta (SiO2) (9CI)

 

Attribute	Details
Name	Quartz
Mineral Classification	Silicate mineral, specifically a tectosilicate
Chemical Formula	SiO2
Crystal System	Trigonal
Hardness	7 on the Mohs scale
Color	Commonly white, gray, or translucent; can also be found in various shades of purple (amethyst), yellow (citrine), pink (rose quartz), and other colors due to impurities
Luster	Vitreous (glassy) to waxy
Cleavage	Perfect in one direction, producing smooth, flat surfaces
Fracture	Conchoidal (resembling the shell of a mollusk)
Density	Approximately 2.65 g/cm³
Optical Properties	Birefringent; exhibits chatoyancy (cat’s-eye effect) in certain varieties
Occurrence	Found in igneous, metamorphic, and sedimentary rocks worldwide; most abundant mineral in the Earth’s crust
Industrial Uses	Used in the production of glass, ceramics, abrasives, and sandpaper; also used in the electronics industry for silicon-based semiconductors and solar panels; important in the jewelry industry due to its hardness and beauty
Metaphysical Beliefs	Various cultures and individuals believe quartz crystals have healing properties and can amplify energy; used in crystal healing and other metaphysical practices
Common Varieties	Amethyst, citrine, rose quartz, smoky quartz, tiger’s eye, and others

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