Calcite (Yellow/Orange variety - sometimes called Honey Calcite)
Calcite
Category
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Calcite (Yellow/Orange variety - sometimes called Honey Calcite)
Calcite
Epidote (with Quartz and Feldspar)
Epidote (unakalite/unite), Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Yellow Quartz River Pebble
Silicon Dioxide (SiO2)
Quartzite Pebble
Recrystallized Quartz (SiO2)
Amazonite
KAlSi3O8 (Potassium Feldspar, variety of Microcline)
Quartzite with Iron Hydroxide Staining
Quartzite (primarily SiO2) with Limonite/Goethite staining
Quartzite (or Quartz Rich Conglomerate)
Quartzite (SiO2 silicon dioxide)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Ferruginous Quartzite (Red Quartz)
Quartzite (SiO2 with Hematite/Iron impurities)
Quartzite
Quartzite (SiO2)
Red Tiger's Eye beads
Tiger's Eye (variety of Chalcedony, SiO2)
Schist with Quartz Vein
Mica Schist with Crystalline Quartz (SiO2)
Quartzite (Orthoquartzite)
Quartzite (SiO2)
Jasper
Silicon dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Orange Aventurine (Sunstone-style Quartzite)
Silicon Dioxide (SiO2) with Goethite or Hematite inclusions
Unakite
Epidotized Granite
Orange Quartzite (or Aventurine Quartz)
Quartzite (primarily SiO2 with Hematite or Goethite inclusions)
Blue Sapphire
Corundum (Al2O3)
Amethyst
Quartz variety; chemical formula: SiO₂ (silicon dioxide) with Fe³⁺ impurities
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
Milky Quartz with Iron Inclusions
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky/Yellowish variety)
Silicon Dioxide (SiO2)
Quartzite (Beach Pebble)
Quartzite (Composition: SiO2)
Banded Gneiss
Gneiss (typically quartz, feldspar, mica, amphibole composition)
Mixed Gemstone Beaded Jewelry
Various minerals (e.g., Quartz varieties like Rose Quartz, Amethyst; Peridot; Garnet; etc.)
Quartzite
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartzite (River Pebble)
SiO2 (recrystallized Quartz)
Boxwork Quartz / Septarian Jasper
Boxwork (SiO2 with iron oxide inclusions)
Quartz
Quartz (Silicon Dioxide - SiO2)
Agate
Chalcedony (cryptocrystalline variety of Quartz, SiO2)
Dzi Bead (Agate)
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
Green Aventurine
Quartz (Aventurine variety) - SiO₂ with Fuchsite inclusions
Quartzite
Quartzite (primarily SiO₂)