oq-gem

Glossary for gem taxonomy

The type of stone is known, but its type is not listed in the table. For example, metamorphic rocks, e.g. gneiss, marble, quartzite, etc. Gneiss is a common type of metamorphic rock used for wall construction in Europe (e.g. Southern Switzerland, Italy, etc.).

SPO_Switzerland_Schacher_1SPO_Switzerland_Schacher_2

Gneiss stone wall residential construction, Ticino, Southern Switzerland (T. Schacher)

SPO_Switzerland_Schacher_3

SPO_Switzerland_Schacher_4

Gneiss stone walls, a 12th century church, Ticino, Southern Switzerland (T. Schacher)

SPO_Italy_Benedetti_1

Heterogeneous (mixed) masonry wall uses a combination of limestone and limestone, as well as clay bricks for arching lintels, L'Aquila, Italy (A. Benedetti)

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