Poppy Jasper
Microcrystalline Quartz (SiO2) with mineral inclusions
Category
Browse synthetic material (not a rock or mineral) specimens identified by the Rock Identifier community.
Poppy Jasper
Microcrystalline Quartz (SiO2) with mineral inclusions
Sandstone
Clastic Sedimentary Rock
Red jasper in gray host rock (likely hematite-stained quartzite or rhyolite)
Jasper: microcrystalline quartz (SiO₂), with iron-oxide coloration; exact host uncertain from image
Quartz
Silicon Dioxide (SiO2)
Sandstone
Arenite (predominantly SiO2)
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
Fulgurite
Fulgurite (Lechatelierite/Silica glass)
Sandstone
Sandstone (SiO2-dominated clastic rock)
Sandstone (Iron-stained)
Arenite with Limonite/Hematite staining
Honey calcite (likely rough cleavage fragment)
Calcite, calcium carbonate (CaCO₃)
Sandstone (Ferruginous)
Arenite (Siliclastic Sedimentary Rock)
Sandstone
Sedimentary Rock (Quartz arenite)
Sandstone (lithic/quartz variant)
Clastic sedimentary rock (SiO2 predominant)
Sandstone
Arenite (primarily SiO2)
Sandstone (lithic wacke/conglomerate mix)
Clastic Sedimentary Rock (SiO2 with lithic fragments)
Sandstone (Tumbled / Rounded)
Sedimentary Rock (Quartz arenite)
Sandstone
Arenite (SiO2 dominant)
Breciated Limestone with Calcite Veins
Sedimentary Breccia (CaCO3)
Opalite (a synthetic glass, often confused with Opal)
Silicon dioxide glass (SiO2nH2O, for natural opal)
Sandstone
Clastic Sedimentary Rock
Granite
Granite
Sandstone
Sedimentary Rock (Quartz Sandstone)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide Fe2O3 cement)
Diamond (or Clear Quartz / Cubic Zirconia)
Carbon (C) or Silicon Dioxide (SiO2) / Cubic Zirconia (ZrO2)
Sandstone
Arenite (SiO2 primarily)
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite
Shale
Shale (clastic sedimentary rock)
Sandstone
Sandstone (composed predominantly of SiO2)
Chalcanthite
Copper(II) sulfate pentahydrate (CuSO4·5H2O)
Serpentinite (often called Jade or Nephrite substitute)
Serpentinite (composed primarily of Antigorite, Lizardite, or Chrysotile)
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Sandstone
Arenite
Sandstone
Arenite (Siliclastic sedimentary rock)
Sandstone
Arenite (Sedimentary rock composed of sand-sized grains)
Small pale rock fragment
Indeterminate; possibly quartz, calcite, or a weathered feldspar-rich fragment
Sandstone
Clastic sedimentary rock (Quartz arenite)
Fossil bivalve shell
Likely an extinct or modern-like ribbed cockle/scallop; exact genus requires locality and diagnostic hinge features
Sandstone
Clastic Sedimentary Rock