Opals-Rough Opal
and
Specimens
Cochise College
Photos of Opals
Virtual Geology Museum
Hall of Gemstones
Opals-Rough Opal
and
Specimens
Index
last edited:
2/6/12 number of photos: 151
Arizona blue opal:
1
2
3
4
Australian opals uncut:
1
2
3
4
5
6
Australian boulder opal:
1
2
3
4
5
6
Australian fire opal slabs:
1
2
Australian fire opal specimens:
1
2
3
4
5
6
7
8
Australian fire opal-Lightning Ridge:
1*
2*
3* 4*
5*
6*
7 *
Australian opalized shells-polished:
1
2
3
4A
4B
4C
4D
4E
5A
5B
5C
5D
Australian opalized shells-unpolished:
1
2
3
4
Brazilian fire opal:
1
2
3
4
5
6
7
common opal:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
dendritic opal:
1
2
diatomaceous earth:
1
2
fossil bones:
1
2
3
4
5*
6
7*
8*
9*
10*
fossil shells:
1*
2*
3
hyalite opal:
1
hydrophane:
1
Idaho fire opal:
1
2
lava ball with fire opal:
1
2
3
layers of opal:
1
2
3
Mexican fire opal:
1
2
3
4
5*
6*
7*
8
9
10
Mexican jelly opal:
1
2
3
Nevada fire opal:
1
2
Nevada jelly opals:
1*
Nevada variegated common opal:
1
2
3
4
opal carvings:
1
2
3
4
5
6
7
8
9
opalized petrified wood:
1
2
3
4
5
6
split rock with opal interior:
1
2
3
4
5
synthetic opal:
1
2
3
4
5
6
7
thunder egg with opal:
1
unusual opals:
1
2
3
Photos are copyright free for non-commercial educational uses.
Just
credit photos to R.Weller/Cochise College.
copyright 2012-R.Weller
Roger Weller,
geology instructor (wellerr@cochise.edu
)