Roger Weller, geology instructor
[email protected]
copyright 2018-R.Weller
smoky quartz crystal from
Switzerland
last edited:
2/14/18
number of photos: 304
Quartz is SiO2
mineral information on quartz
crystalline quartz
amethyst
amethyst crystals:
1
2
3
4*
5*
6*
7
8
9**
10
11
pale amethyst crystals:
1
2
3
4
5
6
amethyst-faceted:
1
amethyst from Uruguay:
1
2*
3
amethyst from Brazil:
1*
2*
3*
4
5
6
7
8
9
10*
11
12
13*
14
amethyst polished
spheres:
1*
2
3
amethyst geodes:
1
2
3*
4
5
6
7
8
9
10
11**
12
amethyst from Mexico:
1
2
3*
4*
5*
6
7*
8
9
10
11
12
smoky amethyst crystal:
1
amethyst phantom crystal:
1
drusy amethyst:
1
2
amethyst from Arizona:
1
citrine
citrine crystals:
1
2*
3
4
5
6
7
8
citrine geodes:
1
2
3
4
5
6*
7
citrine and smoky quartz crystal:
1
2
amethyst and citrine:
1
2*
milky quartz
milky quartz crystals:
1
2
3
4
milky quartz, massive:
1
2
rock crystal
quartz-rock crystal:
1
2
3
quartz-flat crystals:
1
Herkimer diamonds:
1
2
3
4
5
6
rock crystals from Arkansas:
1
2
3
4
5
6
rock crystals from Tibet:
1
2
3
4
5
6
7
rock crystals from Peru:
1
2
rock crystals from India:
1
2
3
rock crystals from Arizona:
1
smoky quartz
smoky quartz crystals-Huachuca Mountains,
Arizona:
1
2
3
4
5
smoky quartz from Brazil:
1
2
3*
4
smoky quartz from Switzerland:
1
2
smoky quartz crystal from Pala, California:
1
smoky quartz from Colorado:
1
2
3
smoky quartz from India:
1
smoky quartz on feldspar:
1
smoky quartz, parallel growths:
1
2
3
smoky quartz in pegmatite:
1
2
pink quartz
pink quartz crystals:
1
2
rose quartz crystal
rose quartz crystals:
1
drusy quartz
drusy quartz:
1
2
beta quartz (high temperature)
beta quartz crystals:
1
2
quartz geodes
geodes:
1
2
3
4 5
6
7
8
9
10
11
12
13
cutting a quartz geode
inclusions in quartz
goethite and lepidochrosite:
1
2
3
4
epidote:
1
2
sand:
1
chlorite:
1
2
3
4
5
6
7
garnet:
1
rutile:
1
2
3
4
5
tourmaline:
1
2
3
calcite rhombohedrons:
1
2
3
carbon inclusions:
1
2
3
4
phantom crystals:
1
2*
3*
4
5
6
7
8
9
water and bubble (anhydros):
1
peculiar crystals
drawings of twinned quartz crystals:
1
2
3
4
5
6
7
8
9
Japanese twinned crystals:
1
2
3
4
5
6
tabular quartz crystals:
1
2
Pecos "diamonds":
1
2
double terminated quartz crystals:
1
naturally "outlined" crystals:
1
right-handed quartz crystals:
1
2
left-handed crystals:
1
scepter crystals:
1
GIANT quartz crystals:
1
2 3
4
5
6
bent quartz crystal:
1
odd crystal with small prism:
1
2
lab created quartz
lab grown quartz crystal:
1
2
3
4
5
6
cryptocrystalline quartz
agate
agate from Africa:
1
agate from Lake Superior:
1
agates from Mexico:
1
2
agates from Brazil:
1
2
3
4
5
6
7
8
9
blue lace agate:
1
fire agate:
1
2
grape agate:
1
2
red banded agate:
1
red, white, and blue agate:
1
pink agate:
1
banded agates:
1
2
close view of agate banding:
1
giant agates from Brazil:
1
2
3
4
5
6
7
chalcedony
chalcedony:
1
2
3
4
5
6
7
chalcedony geode:
1
2
chert
chert:
1
chrysoprase
chrysoprase:
1
2
flint
flint:
1
jasper
jasper:
1
2
polished block of jasper
tiger's-eye
unpolished tiger's-eye:
1
massive quartz
rose
quartz
rose quartz:
1
2
3
4
rose quartz with radiation haloes:
1
2
3
4
5
Photos are copyright free for
non-commercial educational uses.
Just credit photos to R.Weller/Cochise College.
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