Search results
Results from the WOW.Com Content Network
The mine shaft was 280 feet (85 m) deep and contained two Yogo ore-bearing veins. [84] The portion of the dike they had mined was an extension of the main dike. [85] The Vortex Mine, renamed Yogo Creek Mining, [18] was successful for years but eventually declined and closed in 2004. [85] A 0.19-carat (0.038 g) diamond cut cornflower blue Yogo ...
Benitoite (/ b ə ˈ n iː t oʊ aɪ t /) is a rare blue barium titanium cyclosilicate mineral, found in hydrothermally altered serpentinite. It forms in low temperature, high pressure environments typical of subduction zones at convergent plate boundaries. Benitoite fluoresces under short wave ultraviolet light, appearing bright blue to bluish ...
Females: The upper forewing has a yellow discal patch above the blue area. The upper hindwing blue area is small and reduced to discal quadrate spots in 3 and 4. The females resemble those of the common gem (P. hewitsoni) but with yellow spots on the upper hindwing. The males of the blue gem are bluer than the common gem which is greener. [4]
Asterism on the surface of a blue star sapphire. A purple-pink star sapphire displaying asterism in a platinum ring.. An asterism (from Ancient Greek ἀστήρ (astḗr) 'star' and -ism) is a star-shaped concentration of light reflected or refracted from a gemstone.
In the UK Blue John, or "Derbyshire Spar", is found only in Blue John Cavern and the nearby Treak Cliff Cavern.It is a type of banded fluorite.The most common explanation for the name is that it derives from the French bleu-jaune, meaning 'blue-yellow', but other derivations have been suggested.
This category is for mines for cardinal gems other than Diamond, ie amethyst, emerald, ruby & sapphire, and also opal mines (see Gemstone). Subcategories This category has the following 3 subcategories, out of 3 total.
Reckoning is set within the world of Amalur, with the game's events taking place across the Faelands, a land separated into two distinct territories by a great river. All things in the Faelands follow a destined path dictated by the Fate Weave, which can be read and reported by gifted individuals dubbed Fateweavers.
Eilat Stone (Hebrew: אבן אילת) is a gemstone that derives its name from the city of Eilat in Israel, where it was once mined. It is characterized by a green-blue heterogeneous mixture of several secondary copper minerals, including malachite, azurite, turquoise, pseudomalachite, and chrysocolla.