Chrysocolla

UNB-2020-0001Rocks » Minerals

Description

Sample of bluish green microcrystalline Chrysocolla on a Mudstone matrix. Chrysocolla (Cu2H2Si2O5(OH)4) can be green, bluish green, blue or can also be brown and black from impurities. Lustre is vitreous, greasy or dull and streak can be white to pale blue or green. Hardness is 2 to 4. Chrysocolla usually occurs as microcrystalline that can be compact reniform, botryoidal masses or opal-like in appearance.

Specifications

Object nameChrysocolla
IDUNB-2020-0001
Legal statusPermanent collection
CategoryRock
Classification
Rock group:
Minerals
CompositionCopper, Silicates, Mudstone
OriginUnknown
Pieces1
PartialNo
Measurements
  • 4.5cm x 6.5cm x 5cm

Publications

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