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Flint

This page kindly sponsored by Elizabeth Apgar Triano
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About FlintHide

Colour:
Gray, black, brown, red, white and other colors due to staining
Lustre:
Waxy, Dull
Hardness:
6½ - 7
A nodular or concretionary chert, often grey/black, commonly formed as nodules in Cretaceous chalk in southern England and elsewhere.


Classification of FlintHide

Mineralogy of FlintHide

Essential minerals - these are minerals that are required within the classification of this rock:

Physical Properties of FlintHide

Waxy, Dull
Transparency:
Translucent, Opaque
Comment:
takes good polish, then vitreous luster
Colour:
Gray, black, brown, red, white and other colors due to staining
Streak:
White
Hardness:
6½ - 7 on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Splintery, Conchoidal, Sub-Conchoidal

Other Language Names for FlintHide

Dutch:Vuursteen
German:Feuerstein
Hornstein (in part)
Silex (in part)
Japanese:燧 石
Simplified Chinese:燧石

Varieties of FlintHide

MaaseiFlint reminiscent of banded agate.
Brighter bands alternate with darker bands.

Local name for flint found in the Niederrhein area in Germany.
Literally 'Maas egg'.

Common AssociatesHide

Associated Minerals Based on Photo Data:
10 photos of Flint associated with QuartzSiO2
6 photos of Flint associated with ChalcedonySiO2
1 photo of Flint associated with VivianiteFe2+3(PO4)2 · 8H2O
1 photo of Flint associated with HematiteFe2O3
1 photo of Flint associated with RamsdelliteMn4+O2
1 photo of Flint associated with PyrolusiteMn4+O2
1 photo of Flint associated with AmethystSiO2
1 photo of Flint associated with
1 photo of Flint associated with CalciteCaCO3
1 photo of Flint associated with Jasper

Internet Links for FlintHide

mindat.org URL:
https://www.mindat.org/min-6676.html
Please feel free to link to this page.
 
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