Stichtite in Serpentine (Atlantasite)
Mg6Cr2CO3(OH)16·4H2O (Stichtite) within Mg3Si2O5(OH)4 (Serpentine)
Metamorphic rock / Mineral variety
Category
Sedimentary (Secondary Mineral) Within Igneous
Browse sedimentary (secondary mineral) within igneous specimens identified by the Rock Identifier community.
Learn about Sedimentary (Secondary Mineral) Within Igneous in the encyclopedia
View all →
Amygdaloidal Basalt
Amygdaloidal Basalt
igneous
Banded Gneiss
Gneiss (SiO2-rich metamorphic rock)
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Vesicular Basalt (Amygdaloidal)
Amygdaloidal Basalt
igneous
Vesicular basalt (probable)
Basalt; chiefly plagioclase feldspar, clinopyroxene, and iron-rich minerals, with vesicles possibly lined by zeolites or calcite
igneous
River Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Quartz (Peach/Orange variety)
Silicon Dioxide (SiO2)
mineral
Quartz pebble with iron inclusions
Silicon Dioxide (SiO2)
mineral
Orange Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Banded Agate / Lace Agate
Agate (Silica/Quartz) - SiO2
mineral
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Amygdaloidal Basalt
Amygdaloidal Mafic Volcanic Rock (Basalt)
igneous
Azurite Malachite
Azurite (Cu3(CO3)2(OH)2) and Malachite (Cu2CO3(OH)2)
mineral
Rhyolite (Leopard Skin Jasper)
Rhyolite (Silicon Dioxide with impurities)
igneous
Gneissic Schist
Foliated Metamorphic Rock (Schist/Gneiss transition)
metamorphic
Gneiss
Gneiss
metamorphic
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock)
igneous
Jasper (likely Polychrome or Mookaite variants)
Silicon Dioxide (SiO2) with iron oxide and hydroxide inclusions
sedimentary (chemically precipitated)
Carnelian (Chalcedony)
SiO2 (Silicon Dioxide with Iron Oxide inclusions)
mineral
Carnelian (Polished Agate/Jasper)
SiO2 (Silicon Dioxide - Microcrystalline Quartz)
mineral
Banded Agate
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Gneiss
Gneiss (Foliated Metamorphic Rock)
metamorphic
Limonite (often after Hematite or Goethite)
Limonite (FeO(OH)·nH2O)
mineral
Vesicular Basalt (River Pebble)
Vesicular Basalt
igneous
Turtleback Rock (Brecciated Diabase / Granite)
Brecciated hypabyssal intrusive rock
igneous
Vesicular Basalt with Epidote
Vesicular Basalt (Mg, Fe)2SiO4 with Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))
igneous
Turquoise
Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O
mineral
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Fossiliferous Sedimentary Rock
Sedimentary limestone with invertebrate fossil imprint
fossil
Iron Gossan (Limonite/Goethite)
Hydrated Iron Oxides (FeO(OH)·nH2O) from oxidation zones
sedimentary
Diamond (in a Gold Jewelry Setting)
Carbon (C)
mineral
Limonite (Iron Ore)
Limonite (mixed iron hydroxides, primarily FeO(OH)·nH2O)
mineral
Vesicular Basalt
Basalt (Extrusive Mafic Igneous)
igneous
Basalt with Plagioclase Microphenocrysts
Amygdaloidal or Porphyritic Basalt
igneous
Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Gneiss
High-grade metamorphic rock (Gneiss)
metamorphic
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Basalt with Iron Oxides
Mafic Igneous Rock (Mafite)
igneous
Greenstone / Basalt with Amygdule
Amygdaloidal Basalt (altered to Greenstone)
igneous
Pink Sapphire (Corundum)
Aluminum Oxide (Al2O3) with Chromium/Iron impurities
gemstone