quartz_blue_02.jpg Spain, blue
quartz_amethyst_04.jpg amethyst
chalcedony_agate_05.jpg Brazil, calcedony-agate
orthoclase_03.jpg orthoclase
chalcedony_wood_01.jpg USA, opal-silified wood
bytownite_01.jpg Canada
leucite_02.jpg Italy
chabazite_01.jpg Czech
natrolite_03.jpg Serandite, Analcime and Natrolite, Mt. St. Hilaire, Canada, 4 x 3 cm. Photo by Francesc Fabre / Fabre Minerals
chalcedony_01.jpg chalcedony
lazurite_01.jpg A single, deep blue, dodecahedron of Lazurite measuring 1 cm on a white marble matrix. Firgamu, Badakhashan Province, Afghanistan. 1.2 x 1 x 0.9 cm.Photo by Isaias Casanova / IC Minerals
quartz_amethyst_09.jpg Brazil, amethyst
quartz_rock_02.jpg Madagascar
opal_06.jpg Hungary, opal
pollucite_01.jpg USA
albite_02.jpg Colorless lustrous blocky albite crystals to 3 cm in size completely covering a 17 x 15 x 7.5 cm matrix. There is a thick dusting of micaceous green micro chlorite. Acushnet Quarry, Bristol Co., Massachussetts, USA. Photo by Dan Weinrich
quartz_blue_01.jpg Spain
chalcedony_wood_03.jpg Petrified forest of Lesbos
andesine_01.jpg France
microcline_amazonite_03.jpg USA
nosean_01.jpg Germany
quartz_rose_01.jpg Brazil, rose
orthoclase_02.jpg Silesia, +albite
quartz_amethyst_01.jpg Mexico
albite_04.jpg USA, cleavelandite
chalcedony_agate_04.jpg Brazil, calcedony-agate
analcime_02.jpg Austria
scapolite_01.jpg Violet colored, gemmy crystal of Scapolite, with upper terminations. 1 x 0.5 cm. From Dodoma, Tanzania. Photo by Francesc Fabre / Fabre Minerals
christobalite_01.jpg Germany
opal_04.jpg Mexico, opal
quartz_rock_01.jpg France
labradorite_01.jpg labradorite
quartz_amethyst_06.jpg Uruguay, amethyst
chalcedony_wood_05.jpg Petrified forest of Lesbos
oligoclase_01.jpg Norway
microcline_03.jpg Russia, macroperthite
chalcedony_wood_06.jpg Petrified forest of Lesbos
adularia_01.jpg Swiss
labradorite_02.jpg labradorite
tridymite_01.jpg France
chalcedony_02.jpg Uruguay, calcedony
marialite_01.jpg Sweden
anorthoclase_01.jpg La Pili mine, Camargo, Mexico
natrolite_01.jpg France
labradorite_03.jpg labradorite
quartz_rock_09.jpg Brazil, rock crystal
phillipsite_01.jpg France
quartz_01.jpg Rumania, +calcite
quartz_03.jpg Portugal
labradorite_04.jpg Canada
stilbite_02.jpg Germany
anorthite_01.jpg Italy
heulandite_02.jpg Canada
labradorite_05.jpg Canada
laumontite_01.jpg France, +prehnite, stilbite
quartz_smoky_02.jpg Austria, smoky
chalcedony_wood_08.jpg Petrified forest of Lesbos
labradorite_06.jpg Canada
quartz_citrine_01.jpg Madagascar
celsian_01.jpg Sweden
chalcedony_agate_03.jpg Germany, calcedony-agate
opal_05.jpg USA, opal
harmotome_03.jpg Germany
quartz_amethyst_03.jpg amethyst
natrolite_02.jpg Czech
albite_03.jpg Crystal group of bladed albite (variety cleavelandite) crystals. Taquaral, Minas Gerais, Brazil. 7.4 x 5 cm. Photo by John Veevaert
opal_11.jpg Colorful white Opal on a sandstone matrix. Queensland, Australia. 9 x 6 x 3 cm.Photo by Isaias Casanova / ICminerals
oligoclase_02.jpg Norway
chalcedony_chrysoprase_01.jpg Australia, chrysoprase
quartz_rose_02.jpg USA, rosy
quartz_amethyst_08.jpg 20 cm. purple-colored druse of amethystine quartz and white calcite. Specimen from Rio Grande do Sul, Brazil. Photo by Dave Barthelmy
microcline_01.jpg USA, Carlsbad
thomsonite_01.jpg France
albite_05.jpg Austria, +chlorite
sodalite_02.jpg Madagascar
sanidine_02.jpg Germany
chabazite_02.jpg Scotland
opal_03.jpg Australia, opal
quartz_rock_05.jpg twin, Japan law
adularia_02.jpg Austria, +albite
hyalophane_01.jpg Bosnia
stilbite_01.jpg India, +heulandite
harmotome_02.jpg Italy
chalcedony_wood_02.jpg USA, opal-silified wood
microcline_02.jpg Canada, perthite
scolecite_01.jpg India
orthoclase_06.jpg Brazil
meionite_01.jpg Italy
cancrinite_01.jpg USA
stilbite_03.jpg Canada
scapolite_02.jpg Italy
quartz_amethyst_05.jpg amethyst
sodalite_01.jpg Bolivia
nepheline_01.jpg Norway
microcline_amazonite_01.jpg microcline
opal_01.jpg Australia, opal
quartz_rock_07.jpg Portugal
chalcedony_chrysoprase_02.jpg Germany, chrysoprase
chalcedony_wood_04.jpg Petrified forest of Lesbos
hauyne_03.jpg Italy
orthoclase_05.jpg orthoclase
harmotome_01.jpg Root beer colored calcite covered with Harmotome crystals from 1 mm to 1 cm. Strontian Hills, Strontian, Argyll, Scotland. 5.5 x 4.5 cm Photo by John Veevaert
petalite_02.jpg SW Africa
hauyne_02.jpg Grains of deep blue Hauyne crystals in matrix. Niedermendig, Eifel, Germany. Photo by John Veevaert
albite_01.jpg Austria
chalcedony_prase_01.jpg India, prase
opal_07.jpg Mexico, opal
quartz_amethyst_02.jpg Mexico
chalcedony_wood_07.jpg Petrified forest of Lesbos
quartz_02.jpg Russia
chalcedony_tigereye_07.jpg Australia, tiger's eye
chalcedony_agate_06.jpg agate
sanidine_01.jpg Germany
opal_02.jpg Australia, opal
leucite_01.jpg Italy
quartz_rock_06.jpg Morocco
orthoclase_01.jpg Czech, Carlsbad twin
lazurite_03.jpg Chile
heulandite_01.jpg Iceland
orthoclase_04s.jpg orthoclase
quartz_amethyst_07.jpg Mexico, amethyst
quartz_smoky_01.jpg Germany, smoky, +orthoclase
orthoclase_04.jpg orthoclase
quartz_blue_03.jpg Spain, blue
microcline_amazonite_02.jpg Ferrocolumbite on Amazonite (Microcline). Crystal Park, El Paso Co., Colorado, USA. 2.5 x 1.5 cm. Photo by Francesc Fabre / Fabre Minerals
quartz_citrine_02.jpg Brazil, citrine
opal_08.jpg Germany, opal
petalite_01.jpg Finland
analcime_01.jpg Guinea
lazurite_02.jpg Chile
quartz_rock_08.jpg 6 cm crystal druse of transparent quartz crystals from Hot Springs, Arkansas, USA. Photo by Dave Barthelmy