Sedimentary (If Limestone) Or Metamorphic (If Marble)

Zebra marble

Banded calcite marble, commonly called zebra marble; chiefly calcite (CaCO₃), sometimes with dolomite and dark silicate or carbonaceous minerals

Likely limestone or marble fragment

Calcite-rich carbonate rock; possibly marble (CaCO₃)

Calcite

Calcium Carbonate (CaCO3)

Pink Marble

Recrystallized Limestone (Calcium Carbonate, CaCO3)

Marble

Recrystallized Calcite (CaCO3)

White Marble

Recrystallized Calcite (CaCO3) / Marble

White Marble

Recrystallized Calcite (CaCO3)

Banded Onyx (Green Onyx)

Banded Calcite or Travertine (CaCO3)

Lapis Lazuli

Lazurite with Calcite and Pyrite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2

Likely weathered limestone or calcitic marble

Calcite (CaCO₃), probably micritic limestone; marble is a possible metamorphic alternative

Marble

Recrystallized Carbonate Rock (CaCO3)

Orange Calcite (likely polished specimen)

Calcite

Calcite

Calcium Carbonate (CaCO3)

White Marble

Metamorphic carbonate rock (primarily CaCO3)

Decorative polished stone tile, likely white marble or limestone

Calcite-rich marble (CaCO₃), possibly veined limestone; exact identification requires testing

Polished banded limestone or marble

Calcite-rich carbonate rock; chiefly CaCO₃

Rounded white pebble, likely limestone or marble

Calcite-rich carbonate rock; possibly micritic limestone (CaCO₃) or marble

Light-colored metamorphic rock, likely quartzite or marble

Quartzite (mostly SiO₂) or calcitic marble (mostly CaCO₃); image resolution prevents confident distinction

Marble

Recrystallized Calcite (CaCO3)

White marble (likely calcite marble)

Calcite marble; predominantly calcite (CaCO₃)

Yellow Calcite

Calcium Carbonate (CaCO3)

Marble

Recrystallized Calcite (CaCO3)

Yellow Calcite

Calcium Carbonate (CaCO3)

Marble

Recrystallized Calcite (CaCO3)

Orange Calcite

Calcium Carbonate (CaCO3)

Yellow Calcite

Calcium Carbonate (CaCO3)

Marble

Recrystallized Calcite (CaCO3)

Marble

Metamorphosed Limestone (CaCO3)

Calcite

Calcium Carbonate (CaCO3)

Likely marble or crystalline limestone

Calcite-rich marble (CaCO₃); image-based identification is uncertain

Calcite

Calcium Carbonate (CaCO3)

Calcite

Calcium Carbonate (CaCO3)

Marble

Recrystallized Calcite (CaCO3)

Beige polished stone tile (likely limestone or marble)

Uncertain; probable calcite-rich limestone or marble (CaCO₃)

White-veined gray limestone or marble

Calcite-rich carbonate rock; likely calcitic marble (CaCO₃)

Marble

Metamorphosed Limestone / Calcite or Dolomite

Pink Marble (Quartzite or Calcite mix)

Metamorphosed Limestone / Quartzite (CaCO3 or SiO2 with iron impurities)

Picasso Jasper

Metamorphosed limestone / Marble

Calcite

Calcium Carbonate (CaCO3)

Quartzite

Quartzite (SiO2)

Zebra Marble

Metamorphosed Alabaster/Limestone (CaCO3)

Yellow Calcite (or Marble / Onyx Marble)

Calcite (CaCO3) in crystalline marble form