Flint
E857001
Flint is a hard, sedimentary cryptocrystalline form of quartz historically used for tools, weapons, and fire-starting due to its ability to produce sharp edges and sparks.
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
cryptocrystalline form of quartz
ⓘ
sedimentary rock ⓘ silica-rich rock ⓘ |
| associatedWith |
flintknapping
ⓘ
striking steel in flint-and-steel fire making ⓘ |
| formsAs |
concretions
ⓘ
nodules ⓘ |
| foundIn |
Cretaceous chalk formations
ⓘ
Europe NERFINISHED ⓘ North America NERFINISHED ⓘ |
| hasChemicalFormula | SiO2 ⓘ |
| hasColor |
black
ⓘ
bluish ⓘ brown ⓘ dark gray ⓘ |
| hasCrystalStructure | cryptocrystalline ⓘ |
| hasFormationProcess | replacement of carbonate by silica in sedimentary rocks ⓘ |
| hasFracture | conchoidal ⓘ |
| hasHardnessOnMohsScale | about 7 ⓘ |
| hasLuster | waxy ⓘ |
| hasMainConstituent |
quartz
ⓘ
silica ⓘ |
| hasProperty |
brittle
ⓘ
can be knapped to produce sharp edges ⓘ can produce sparks when struck against steel ⓘ high toughness compared to many rocks ⓘ |
| hasTexture | fine-grained ⓘ |
| isDifferentFrom |
flint (city in Michigan)
NERFINISHED
ⓘ
flint (firearm ignition stone) as manufactured object ⓘ |
| isTypeOf | chert ⓘ |
| occursIn |
chalk deposits
ⓘ
limestone deposits ⓘ |
| relatedTo |
agate
ⓘ
chert ⓘ jasper ⓘ silica ⓘ |
| usedFor |
building stone
ⓘ
cutting implements ⓘ decorative stone ⓘ fire-starting ⓘ gravel ⓘ projectile points ⓘ scrapers ⓘ stone tools ⓘ striking steel to produce sparks ⓘ weapons ⓘ |
| wasUsedIn |
Neolithic stone tool technology
ⓘ
Paleolithic stone tool technology ⓘ early fire-making techniques ⓘ prehistoric weapon making ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.