Chalcedony / Silica minerals

Chalcedony / Silica minerals

Quartz / Silica minerals

Quartz / Silica minerals

Tridymite / Silica minerals

Tridymite / Silica minerals

Quartz (Amethyst) / Silica minerals

Quartz (Amethyst) / Silica minerals

Quartz (Amethyst) / Silica minerals

Quartz (Rock crystal) / Silica minerals

Quartz (Rock crystal) / Silica minerals

Quartz (Rock crystal) / Silica minerals

Quartz (Rock crystal) / Silica minerals

Quartz (Tiger's eye) / Silica minerals

Quartz (Smoky quartz) / Silica minerals

Quartz (Smoky quartz) / Silica minerals

Quartz (Smoky quartz) / Silica minerals

Quartz (Smoky quartz) / Silica minerals

Chalcedony

Quartz (Japanese twin) / Silica minerals

Quartz (Japanese twin) / Silica minerals

玉髄 : chalcedony

玉髄 : chalcedony

玉髄 : chalcedony

玉髄 : chalcedony

Chalcedony / Silica minerals

Cardita / Mollusca, Bivalvia, Veneroida, Carditidae

愛媛県宇和島市

Natrolite / Tectosilicates

バラと都電荒川線

Natrolite / Tectosilicates

Chama / Mollusca, Bivalvia, Veneroida, Chamidae

Parahyotissa / Mollusca, Bivalvia, Ostreoida, Ostreidae

Spondylus / Mollusca, Bivalvia, Ostreoida, Spondylidae

キッコウグサ

Cardita / Mollusca, Bivalvia, Veneroida, Carditidae

かき

ボタンアオサ

ハナビラニカワタケ

別海町

Favartia / Mollusca, Gastropoda, Caenogastropoda, Muricidae

Kotorinikusabanamonfutamono

Diodora / Mollusca, Gastropoda, Vetigastropoda, Fissurellidae

Barbatia / Mollusca, Bivalvia, Arcoida, Arcidae

鹿児島県鹿児島市

Diodora / Mollusca, Gastropoda, Vetigastropoda, Fissurellidae

Bursa / Mollusca, Gastropoda, Caenogastropoda, Bursidae

沙流川

中世の土器 （香川門間Ｂ遺跡） （本社Ａ遺跡）