• 

  Orazia Gold Marble

  Australia

  Cairns, Chillagoe Quarry, Queensland

  marble
• 

  Orcoyana Green Granite

  Argentina

  Cruz del Eje, Soto, Prov. Cordoba

  granite
• 

  Orestis Beige Marble

  Greece

  Ligourion, Argolis, Peloponnese

  marble
• 

  Orgita Blue Limestone

  Estonia

  Märjamaa(Maerjamaa, Orgita)

  limestone
• 

  Orgita Mix Limestone

  Estonia

  Märjamaa(Maerjamaa, Orgita)

  limestone
• 

  Orgita Yellow Limestone

  Estonia

  Märjamaa(Maerjamaa, Orgita)

  limestone
• 

  Orient Beige Limestone

  Tunisia

  Thala region

  limestone
• 

  Orient Pink Limestone

  Turkey

  Diyarbakir

  limestone
• 

  Orient Pink Marble

  Turkey

  Diyarbakir

  marble
• 

  Orient Rose Limestone

  Turkey

  Diyarbakir

  limestone
• 

  Oriental Cherry Red Granite

  China

  granite
• 

  Oriental Dream Granite

  India

  Tamil Nadu

  granite
• 

  Oriental Gold Granite

  Brazil

  granite
• 

  Oriental Green Granite

  Saudi Arabia

  Ranyah

  granite
• 

  Oriental Grey Marble

  Turkey

  Bursa

  marble
• 

  Oriental Pink Granite

  China

  granite
• 

  Oriental White Marble

  China

  Baoxing County, Ya'an city, western Sichuan province

  marble
• 

  Oriental Yellow Verniz Granite

  Brazil

  granite
• 

  Oriflam Slate

  South Africa

  Bokkraal, North-West

  slate
• 

  Orifossil Limestone

  France

  Vers, Remoulins, Dept. Gard, Languedoc-Roussillon

  limestone
• 

  Orion Blue Granite

  India

  Palli, Brahmapur, Orissa, West Bengal

  granite
• 

  Orion White Marble

  Greece

  Drama, East Makedonia

  marble
• 

  Orissa Blue Granite

  India

  Orissa (Odisha)

  granite
• 

  Orivesi Slate

  Finland

  Orivesi, Tampere

  slate
• 

  Orobico Grigio Rosa Marble

  Italy

  Trescore Balneario, Provincia di Bergamo, Lombardia

  marble