Flint

UNB-2017-0083Rocks » Sedimentary

Description

A sample of compact smokey brown Flint with a dull lustre. Flint (SiO2) is the name of whitish, dull grey, smokey brown to black variety of Chalcedony (A variety of Quartz). Lustre can be waxy, vitreous or dull and streak is white. Hardness is 7. Flint is usually the microcrystalline variety of quartz and can also occur as crust that are botryoidal and mammillary forms but can also be compact or banded.

Specifications

Object nameFlint
IDUNB-2017-0083
Legal statusPermanent collection
CategoryRock
Classification
Rock group:
Sedimentary
CompositionQuartz
OriginUnknown
Pieces1
PartialNo
Measurements
  • 3cm x 6cm x 8cm

Publications

  • Chesterman, C.W. 1979. Audubon Society, Field Guide to North American Rocks and Minerals. Knopf.