Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides
Category
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides
Quartz (Translucent/Rose variety)
Silicon Dioxide (SiO2)
Quartz (Milky or Clear variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Crystal variety)
Silicon Dioxide (SiO2)
Mixed Chalcedony and Jasper Bracelet (possibly 'Ocean Jasper' or similar banded variety for brown beads, and blue/grey Chalcedony for the translucent beads)
Chalcedony (SiO2), Jasper (SiO2 with impurities)
Jasper with Quartz Vein
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Carnelian
Silicon dioxide (SiO2) - variety of Chalcedony
Red Jasper
Silicon Dioxide (SiO2) - variety Jasper
Banded Agate
Silicon Dioxide (SiO2) - variety Chalcedony
Quartz Geode
Silicon Dioxide (SiO2)
Jasper (Red/Brown Variety)
Jasper (Silicon Dioxide, SiO2 plus Iron Oxide impurities)
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate
Peach Selenite (Satin Spar)
Gypsum (CaSO4·2H2O)
Citrine Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Rose variety)
Silicon Dioxide (SiO2)
Quartz (Smoky/Druzy variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Chalcedony variety)
Silicon Dioxide (SiO2)
Chalcedony (Variety: Agate)
Silicon Dioxide (SiO2)
Quartz (Chert/Chalcedony variant)
Silicon dioxide (SiO2)
Sandstone (Graywacke)
Clastic Sedimentary Rock (Lithic Sandstone)
Quartz (Smoky/Grey variety)
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Chalcedony (Botryoidal)
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Banded Jasper (Carnelian Jasper)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
White Agate (Chalcedony)
Agate (Silicon Dioxide - SiO2)
Chalcedony (Agate/Carnelian)
Cryptocrystalline Silicon Dioxide (SiO2)
Chert (Flinty variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Carnelian
Silicon dioxide (SiO2) with Iron Oxide impurities (Fe2O3)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rough Ruby
Corundum (Al2O3) with Chromium traces
Yellow Quartz Pebble
Quartz (Silicon Dioxide - SiO2)
Jasper
Silicon dioxide, SiO2
Red Jasper
Jasper (Silica with Iron Oxide inclusions), SiO2
Ocean Jasper (Tumbled/Polished)
Silicon Dioxide (Microcrystalline Quartz) - SiO2
Tree Agate (Dendritic Agate)
Silicon Dioxide (SiO2) with Manganese/Iron inclusions
Quartz Pebble
Silicon Dioxide (SiO2)
Green Jasper
Jasper (variety of Microcrystalline Quartz, SiO2)
Blue Sphalerite (likely dyed or treated Druzy Quartz/Agate)
Zinc Sulfide (ZnS) or Silicon Dioxide (SiO2) with trade-name enhancement
Rose Quartz
Silicon Dioxide with trace elements (SiO2 + Ti, Fe, or Mn)
Picture Jasper
Silicon Dioxide (SiO2) - Opaque cryptocrystalline variety of Quartz