Organic Gemstone (Not A Mineral)

Raw Amber / Resin Mineral

Succinite (Fossilized Tree Resin)

Red garnet cabochon pendant

Likely almandine garnet, iron-rich garnet-group silicate (often approximated as Fe₃Al₂(SiO₄)₃); identification from the image is uncertain.

Rough Amber (likely Copal or immature Amber)

Organic gemstone / Succinite (if Baltic)

White seed-bead gemstone strand, likely freshwater pearl or shell pearl

Pearl: nacreous calcium carbonate, chiefly aragonite (CaCO₃) in conchiolin; identification uncertain from image

Likely garnet gemstone

Garnet-group silicate; species cannot be determined from the photo (common red varieties include almandine, Fe₃Al₂(SiO₄)₃, and pyrope, Mg₃Al₂(SiO₄)₃).

Amber (Raw)

Succinite (Fossilized Resin)

Red Coral

Corallium rubrum

Likely garnet-bearing rock

Garnet in a dark metamorphic matrix; garnet is commonly almandine, Fe₃Al₂(SiO₄)₃

Amber

Succinite

Turquoise and Red Coral

CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Corallium rubrum (Red Coral)

Amber

Succinite (organic mineraloid); Chemical formula: C10H16O

Amber

Succinite (Approximate formula: C10H16O)

Red garnet (possible rough gem fragment)

Likely almandine garnet, Fe₃Al₂(SiO₄)₃; identification from the image is uncertain

Likely garnet crystal

Garnet-group silicate; species cannot be determined from the image

Green river-worn pebble, likely serpentinite

Serpentinite (serpentine-group minerals; identification is provisional from the photograph)

Amber

Organic gemstone (Succinite is common if from the Baltic)

Pearl

Calcium carbonate (CaCO3) as Aragonite or Calcite

Red coral earrings

Corallium rubrum or related precious coral (calcareous coral skeleton; primarily aragonite, CaCO₃)

Botryoidal chalcedony (likely common opal)

Silica, SiO₂; chalcedony is microcrystalline quartz, while opal is hydrated amorphous silica (SiO₂·nH₂O)

Pearl

Calcium Carbonate (CaCO3) with Conchiolin

Polished garnet cabochon (likely almandine)

Almandine garnet, Fe₃Al₂(SiO₄)₃ (tentative identification)

Polished red garnet (likely almandine)

Almandine garnet, Fe₃Al₂(SiO₄)₃; identification from the photo is provisional

Rough garnet (likely almandine)

Almandine garnet, Fe₃Al₂(SiO₄)₃ (tentative visual identification)

Red garnet (possible almandine or pyrope), cut/polished

Garnet-group silicate; likely almandine, Fe₃Al₂(SiO₄)₃, or pyrope, Mg₃Al₂(SiO₄)₃

Amber

Succinrite (Organic Gemstone)

Precious Red Coral

Corallium rubrum (Calcium Carbonate, CaCO3)

Amber

Resinite / Fossilized Tree Resin

Amber

Succinite (organic hydrocarbon)

Yellow serpentine (likely serpentine-rich rock)

Serpentinite; chiefly serpentine-group minerals, such as antigorite, lizardite, and chrysotile

Red garnet crystal (possible almandine)

Garnet group; likely almandine, Fe₃Al₂(SiO₄)₃

Fossil mammalian skull

Fossilized vertebrate bone; exact taxon cannot be determined from the image

Pearls (likely freshwater cultured pearls)

Pearl: nacre, primarily aragonite (CaCO₃) with conchiolin

Amber

Succinite (Fossilized Tree Resin)

Precious Coral (Red Coral)

Corallium rubrum (Calcium Carbonate, CaCO3)

Pearl necklace

Pearl, primarily aragonite (CaCO₃) and conchiolin

Amber (in Matrix/Shale)

Amber (Fossilized Tree Resin)

Pearl

Organic gemstone (Calcium carbonate - CaCO3)

Amber (Rough Baltics/Beach Specimen)

Succinicum (Organic Gemstone - Fossilized Resin)

Amber

Succinite (fossilized resin)

Small gray-green tumbled stone, likely serpentine

Serpentine-group minerals, approximately Mg₃Si₂O₅(OH)₄; identification is uncertain from the image alone

Natural Pearl

Calcium carbonate (primarily Aragonite and Conchiolin), CaCO3

Garden Quartz (Lodolite / Inclusion Quartz)

Quartz with inclusions (SiO2 with various mineral inclusions)