Derbyshire Blue John is a semi-precious mineral, a form of fluorite with bands of purple-blue or yellowish colour.
Picture taken on April 9, 2010 displays red fluorite crystals shown at the Natural history Museum in Paris. The fluorite, discovered in French Alps...
Picture taken on April 9, 2010 displays red fluorite crystals shown at the Natural history Museum in Paris. The fluorite, discovered in French Alps...法國
Soviet Republics, Tadjikistan, 1960s: Searches of fluorite for Takobskogo combine, In mountains of Hissar mountains.
Construction at Lake Pointe Green is shown at the former Fluor campus in Sugar Land Wednesday, Oct. 14, 2026.
Construction at Lake Pointe Green is shown at the former Fluor campus in Sugar Land Wednesday, Oct. 14, 2026.
vintage hand-colored mineral and rock illustration plate showing labeled geological specimens - 螢石 個照片及圖片檔
raw rose quartz and green fluorite crystal gemstones creating a textural background, symbolizing natural healing, spirituality, and geology - 螢石 個照片及圖片檔
An infographic titled "Mexicoâs silver production by year" created in Ankara, Turkiye on February 24, 2026.
blue ice crystal sculptures on a reflective surface in a minimal abstract studio setting - 螢石 個照片及圖片檔舞台, 清新, 立體
Fluorescent blue-glow fluorite from the collections of the Muséum is displayed during the "En Voie D'Illumination: Lumières De La Nature - On The Way...