Sedimentary (Jasper), Mineral (Aquamarine)

Blue glassy mineral specimen, possibly blue topaz or aquamarine

Tentatively topaz (Al₂SiO₄(F,OH)₂) or beryl/aquamarine (Be₃Al₂Si₆O₁₈); identification is limited by severe image blur

Tumbled aquamarine-like beryl

Beryl, Be₃Al₂Si₆O₁₈ (likely pale blue-green variety)

Beryl (Aquamarine) in Matrix

Beryllium aluminum silicate (Be3Al2(SiO3)6)

Raw greenish beryl (probable aquamarine)

Beryl, Be₃Al₂Si₆O₁₈; blue varieties are aquamarine

Beryl (likely Aquamarine or Green Beryl)

Beryllium aluminum silicate (Be3Al2Si6O18)

Beryl (Variety: Aquamarine)

Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)

Beryl (Variety: Aquamarine/Green Beryl)

Beryllium Aluminum Silicate (Be3Al2Si6O18)

Beryl (Variety Mix)

Be3Al2(Si6O18)

Granite (with Beryl/Aquamarine)

Granite (Feldspar, Quartz, Mica, and Beryl Be3Al2Si6O18)

Morganite (Pink Beryl)

Beryllium aluminum silicate Be3Al2(SiO3)6

Faceted Peach Morganite (Beryl)

Morganite (Be3Al2Si6O18 with trace Manganese)

Aquamarine (blue beryl) crystals

Beryl, Be₃Al₂Si₆O₁₈; blue variety colored mainly by Fe

Beryl (likely var. Aquamarine or Goshenite) in Matrix

Beryllium Aluminum Silicate (Be3Al2Si6O18)

Pegmatite (with smoky quartz and tourmaline/biotite)

Pegmatitic Granite

Tumbled pale-blue quartz, possibly aquamarine

Quartz (SiO₂), with a possible beryl (aquamarine) alternative

Beryl (likely Aquamarine)

Beryllium aluminum silicate (Be3Al2Si6O18)

Tumbled blue-green stone, likely aquamarine-bearing pegmatite or blue apatite

Probable fluorapatite, Ca5(PO4)3(F,Cl,OH), though visual identification is uncertain

Blue apatite

Apatite, commonly fluorapatite (Ca₅(PO₄)₃F), polished/tumbled

Emerald in Matrix (Quartz/Calcite)

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Aquamarine (blue beryl)

Beryl, Be₃Al₂Si₆O₁₈; blue variety colored mainly by iron

Tumbled aquamarine

Beryl, Be₃Al₂Si₆O₁₈ (blue-green variety)

Aquamarine (Beryl) Beads

Beryllium aluminum silicate (Be3Al2Si6O18)

Likely aquamarine-bearing beryl fragment

Beryl, Be3Al2Si6O18; blue color from iron impurities

Raw aquamarine-bearing beryl

Beryl, Be₃Al₂Si₆O₁₈; blue-green color is caused mainly by iron impurities

Blue gemstone ring, likely blue topaz or synthetic blue spinel

Likely topaz (Al₂SiO₄(F,OH)₂) or synthetic spinel (MgAl₂O₄); identification is uncertain from the image

Aquamarine cabochon ring

Aquamarine, blue variety of beryl (Be₃Al₂Si₆O₁₈)

Beryl (Emerald Variety)

Beryllium aluminum silicate (Be3Al2(SiO3)6) with chromium/vanadium traces

Emerald in Matrix

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Blue Quartzite (Dyed Quartzite)

Silicon Dioxide (SiO2) with dye

Pegmatite

Granitic Pegmatite

Red jasper

Microcrystalline quartz (chalcedony), SiO₂, colored mainly by iron oxides

Blue Quartz (Dumortierite Quartz)

Silicon Dioxide (SiO2) with Dumortierite inclusion [Al7BO3(SiO4)3O3]

Emerald in Matrix

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Blue Apatite

Fluorapatite / Chlorapatite [Ca5(PO4)3(F,Cl,OH)]

Beryl (likely Aquamarine or Heliodor variant)

Beryllium aluminum silicate (Be3Al2Si6O18)

Pale green beryl (likely aquamarine)

Beryl, Be₃Al₂Si₆O₁₈; blue-green varieties are aquamarine

Granitic Pegmatite

Granitic Pegmatite (primarily SiO2 with KAlSi3O8)

Beryl (likely Aquamarine) in matrix

Be3Al2(SiO3)6 (Beryllium Aluminum Silicate)

Pegmatite (Granitic Pegmatite with Quartz, Feldspar, and Mica)

Granitic Pegmatite

Likely polished blue-green gemstone

Indeterminate from image; possibilities include sapphire (corundum, Al₂O₃), aquamarine (beryl, Be₃Al₂Si₆O₁₈), or blue-green tourmaline

Red Jasper and Hematite

Silicon Dioxide (SiO2) and Iron Oxide (Fe2O3)

Granite Pegmatite

Granitic Pegmatite (composition: SiO2 with KAlSi3O8)