Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
mineral
Category
Man Made Glass (Often Grouped With Minerals In Lapidary)
Browse man made glass (often grouped with minerals in lapidary) specimens identified by the Rock Identifier community.
Learn about Man Made Glass (Often Grouped With Minerals In Lapidary) in the encyclopedia
View all →
Lepidolite in Mica Schist
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
metamorphic
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
mineral
Petrified Wood
Silicified wood (Quartz/Chalcedony replacement) SiO2
sedimentary
Green Aventurine (Propably a tumbled variety)
Aventurine Quartz (SiO2 with inclusions of Fuchsite)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Red Sandstone
Arenite (primarily SiO2 with Fe2O3)
sedimentary
Chert / Chalcedony
Silicon Dioxide (SiO2)
sedimentary
Quartz-rich breccia or vein quartz with iron staining
Microcrystalline to crystalline SiO₂, likely quartz with iron oxides/hydroxides and altered host rock
igneous
Chrysocolla (Copper Ore matrix)
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)
mineral
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
sedimentary
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2) with Fe2O3
mineral
Yellow Quartz River Pebble
Silicon Dioxide (SiO2)
mineral
Iron-stained Quartzite / Chert
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
metamorphic
Milky Quartz with Iron Oxides
Silicon Dioxide (SiO2) with Fe2O3 inclusions
mineral
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Blue Quartzite
Quartzite with inclusions (often Dumortierite or Magnesio-riebeckite), SiO2
metamorphic
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock)
igneous
Garden Quartz
Silicon Dioxide (SiO2) with various inclusions (Lodolite)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Orbicular jasper (likely ocean jasper)
Silica-rich microcrystalline quartz/chalcedony with feldspar and accessory minerals; composition varies
mineral
Quartz with Mica (Muscovite/Biotite)
Silicon Dioxide (SiO2) with Phyllosilicate inclusions
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Serpentine
Serpentinite (rock) containing serpentine minerals (e.g., Antigorite, Lizardite, Chrysotile)
Metamorphic rock
Quartz Pebble (River Agate / Chalcedony)
Silicon Dioxide (SiO2)
mineral
Jasper
Jasper (Silica-rich microcrystalline Quartz, SiO2 with Fe2O3 impurities)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
fossil
Diabase (Greenstone Pebble)
Diabase or Dolerite
igneous
Blue Apatite
Chlorapatite / Fluorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Septarian Nodule (Dragon Stone)
Septarian Geode (CaCO3 + Mg + Fe)
sedimentary
Smoky Quartz / Agate Pebbles
Silicon Dioxide (SiO2)
mineral
Quartz (Common or Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Yellow Quartz (Citrine/Yellow Jasper)
Silicon Dioxide (SiO2)
mineral
Pink Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Chert (Flint)
Chert (predominantly SiO₂ - silicon dioxide)
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Greenstone (River Pebble)
Metabasalt / Greenschist
metamorphic
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2
metamorphic
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral