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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

matter go
that which has mass and occupies space

substance go
the real physical matter of which a person or thing consists

material, stuff go
the tangible substance that goes into the makeup of a physical object

mineral go
solid homogeneous inorganic substances occurring in nature having a definite chemical composition

quartz
a hard glossy mineral consisting of silicon dioxide in crystal form

noun.substance

9 Subcategories

quartz crystal go
a thin plate or small rod of quartz cut along certain lines and ground so that it can produce an electric signal at a constant frequency
rock crystal, transparent quartz go
a clear quartz used in making electronic and optical equipment
cairngorm, smoky quartz go
a smoky yellow or brown quartz
amethyst go
a transparent purple variety of quartz
chalcedony, calcedony go
a milky or greyish translucent to transparent quartz
citrine go
semiprecious yellow quartz resembling topaz
rose quartz go
a translucent rose-red variety of quartz used for ornaments
sunstone, aventurine go
a translucent quartz spangled with bits of mica or other minerals
topaz, false topaz, common topaz go
a yellow quartz