Agate

UNB-2016-0166Rocks » Mineraloid

Description

Rounded/rectangular Agate slab, bands of dark/ light brown with dark/light green, polished on one side. Known as "Moss-Green Agate". Agate (Chalcedony) is a variety of Quartz (SiO2) and is bright green with spots of red (Agate) or when banded it is known as Moss-Agate. Lustre can be vitreous, waxy or dull and streak is white. Hardness is 7 and can be compact, banded or botryoidal.

Specifications

Object nameAgate
IDUNB-2016-0166
Legal statusPermanent collection
CategoryRock
Classification
Rock group:
Mineraloid
CompositionSilicates
OriginUnknown
Pieces1
PartialYes
Measurements
  • 8cm x 6.5cm x 1cm

Publications

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