How To Use Sphalerite In A Sentence
-
Most sphalerite crystals from the replacement orebodies are opaque, splendent black crystals - typically only the thinnest edges transmit light.
-
Sphalerite or blende (zinc sulfide), the original zinc ore, smithsonite, hydrozincite, willemite.
13. Glaze oxides
-
Mineralization at the Haldane property is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite - tennantite in quart-siderite gangue.
Marketwire - Breaking News Releases
-
The ore shoot is mainly in the Molas Formation and is surrounded by a silicified envelope that contains galena, sphalerite, chalcopyrite, tetrahedrite, and pyrite.
-
Chalcopyrite is occasionally found in the manto orebodies as small crystals on sphalerite and pyrite.
-
Barite, sphalerite, and calcite are the most abundant vein minerals; pyrite, kaolinite, chalcopyrite, galena, and wurtzite are less common.
-
Other minerals mentioned from the mine by Dunham include galena, sphalerite, pyrite, chalcedony, and minor marcasite and pyrrhotite.
-
The main ore minerals are galena, chalcopyrite, sphalerite, and tetrahedrite that are associated with quartz and barite gangue.
-
Sphalerite or blende (zinc sulfide), the original zinc ore, smithsonite, hydrozincite, willemite.
13. Glaze oxides
-
Sphalerite is trimorphous with matraite and wurtzite.
-
Mineralization at the Haldane property is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart-siderite gangue.
StreetInsider.com News Articles
-
The pods were composed of large masses of black sphalerite containing vugs of petzite on gold, galena, rhodochrosite, chalcopyrite, and pyrite.
-
Mineralization at the Haldane property is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart-siderite gangue.
StreetInsider.com News Articles
-
Vug-filling minerals are barite, calcite, celestine, dolomite, sphalerite, and strontianite.
-
Sphalerite in crystals to 8 cm and cleavage masses to 30 cm across occurs in geodes of the well-known southeastern Iowa localities, such as those around Keokuk.
-
Quartz and sphalerite occur in vugs and veins in the chert nodules.
-
Marmatite is the black, high-iron variety of sphalerite.
-
Its mineralogy is complex with multiple representatives in most chemical groups, yet virtually all of the primary, unoxidized ores are dominated by a single zinc mineral, sphalerite.
-
The main ore minerals are galena, chalcopyrite, sphalerite, and tetrahedrite that are associated with quartz and barite gangue.
-
Here, exceptionally attractive, dark pink rhodonite mottled with black manganese oxides occurs in a siliceous lens associated with sphalerite, copper sulfides, and native copper.
-
Mineralization comprises sphalerite, galena and tetrahedrite in sulphide-rich veins ranging from a few centimeters to greater than one meter thick and heavily disseminated sphalerite, galena and tetrahedrite between the veins.
Marketwire - Breaking News Releases
-
A large, single crystal of translucent, rich purple, measuring 4.5 cm across sits on a matrix of splendent sphalerite with orange highlights.
-
The assemblage present included quartz, chalcopyrite, pyrite, sphalerite, magnetite, and hematite.
-
Crystals of brown sphalerite are found in fractures and on the surfaces of some chert nodules.
-
This is especially important for those valuable minerals which exhibit a brittle to very brittle tenacity, such as cassiterite, sphalerite and the tungsten minerals scheelite and wolframite.
Chapter 20
-
Gold occurs in quartz veins with chalcopyrite, galena, pyrite, and sphalerite.
-
A set of specimens was exhibited by the Ellenville Zinc Company, consisting of strikingly beautiful crystalline masses of quartz galina, sphalerite and chalcopyrite and specimens of the rare mineral, brookite.
New York at the Louisiana Purchase Exposition, St. Louis 1904 Report of the New York State Commission
-
These molds are now lined with crystals of celestine, fluorite, pyrite, strontianite, dolomite, calcite, sphalerite, and barite.
-
With sphalerite, it is one of the rarest minerals of the pillow basalts.
-
Vein minerals are barite, calcite, chalcopyrite, galena, pyrite, and sphalerite.
-
The main ore minerals are galena, chalcopyrite, sphalerite, and tetrahedrite that are associated with quartz and barite gangue.
-
The assemblage present included quartz, chalcopyrite, pyrite, sphalerite, magnetite, and hematite.
-
The cleavage planes between prismatic stibnite crystals have been infilled by sphalerite.
-
Barite, sphalerite, and calcite are the most abundant vein minerals; pyrite, kaolinite, chalcopyrite, galena, and wurtzite are less common.
-
The crystals are perched on quartz along with rosin-colored sphalerite showing the black tarnish reported by Hurst.
-
Sphalerite or blende (zinc sulfide), the original zinc ore, smithsonite, hydrozincite, willemite.
13. Glaze oxides
-
Vein minerals are barite, calcite, chalcopyrite, kaolinite, pyrite, sphalerite, and wurtzite.
-
Vein minerals are barite, calcite, chalcopyrite, galena, pyrite, and sphalerite.
-
Mineralization is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart-siderite gangue.
The Earth Times Online Newspaper
-
Vein minerals are barite, calcite, chalcopyrite, kaolinite, pyrite, sphalerite, and wurtzite.
-
The best galena crystals were those recovered from the gold/sphalerite ore, where bright, partially resorbed crystals to 4 mm occurred on larger sphalerite crystals and were associated with hoppered gold crystals.
-
Mineralization is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart-siderite gangue.
The Earth Times Online Newspaper
-
Sphalerite almost always contains a little cadmium, probably as the sulphide; and in zinc deposits crystals of sphalerite in cavities are frequently covered with a greenish-yellow film or coating of greenockite.
The Economic Aspect of Geology
-
Inclusions of greenockite have been found coexisting with sphalerite.
-
Boorishly grandly cooper convertible it, i guarded thrice of the epinephrin were willful on the brink equity sphalerite.
Rational Review
-
A set of specimens was exhibited by the Ellenville Zinc Company, consisting of strikingly beautiful crystalline masses of quartz galina, sphalerite and chalcopyrite and specimens of the rare mineral, brookite.
New York at the Louisiana Purchase Exposition, St. Louis 1904 Report of the New York State Commission
-
The assemblage present included quartz, chalcopyrite, pyrite, sphalerite, magnetite, and hematite.
-
This karsting provides highly permeable rocks in which the sulphide minerals sphalerite and galena represent the valuable mineralization.
-
Gold occurs in quartz veins with chalcopyrite, galena, pyrite, and sphalerite.
-
Vein minerals are barite, calcite, ferroan dolomite, and sphalerite.
-
The assemblage present included quartz, chalcopyrite, pyrite, sphalerite, magnetite, and hematite.
-
Sphalerite stalactites to 15 cm in diameter and coated with crystallized marcasite and galena are reported from the Marsden prospect near Galena, Illinois.
-
Chalcopyrite is occasionally found in the manto orebodies as small crystals on sphalerite and pyrite.
-
Of particular interest are superb specimens of lustrous, pale lavender fluorite crystals, many of which are associated with sphalerite and siderite from what remained of the flats surrounding the Diana vein.
-
This is especially important for those valuable minerals which exhibit a brittle to very brittle tenacity, such as cassiterite, sphalerite and the tungsten minerals scheelite and wolframite.
Chapter 20
-
A short drift and crosscut were driven off the back of the cavity in search of ore, but only low-grade mineralization consisting of chalcopyrite, galena, and sphalerite in a siliceous gangue was encountered.
-
Another type of sphalerite is the botryoidal variety schalenblende, which occurs sparingly in one zone of the Sawatch Quartzite.
-
Black sphalerite is found within the gold-quartz vein and in the adjacent country rock.
-
Rarely chalcopyrite appeared as a thin film on sphalerite crystal faces, giving specimens a slight iridescence.
-
Other minerals mentioned from the mine by Dunham include galena, sphalerite, pyrite, chalcedony, and minor marcasite and pyrrhotite.
-
In addition to quartz, fluid inclusions can occur in carbonates, gypsum, halite, fluorite, feldspar, garnet, pyroxene, amphibole, tourmaline, olivine, and sphalerite; indeed in most minerals except phyllosilicates.
-
Sphalerite, cassiterite (tin ore) and scheelite are only a few examples of this type of brittle mineral ore (see Table).
Chapter 20
-
Vein minerals are aragonite, barite, calcite, dolomite, quartz, sphalerite, and whewellite.
-
Crystals of brown sphalerite are found in fractures and on the surfaces of some chert nodules.
-
Mineralization is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart - siderite gangue.
Marketwire - Breaking News Releases
-
It is most abundant in the coarse-grained facies and is often associated with triphylite, columbite, and sphalerite.
-
Sphalerite is cubic with crystals commonly tetrahedral or dodecahedral and frequently complex and distorted.
-
The sphalerite is associated with needle quartz, microcrystals of yellow-green epidote, and small spheres of a member of the chlorite group.
-
Mineralization is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart - siderite gangue.
Marketwire - Breaking News Releases
-
The crystals are perched on quartz along with rosin-colored sphalerite showing the black tarnish reported by him.
-
Many choice specimens of sphalerite, calcite, galena, and dolomite could be collected from pillars and small areas not previously mined.
-
Most of the sphalerite in the Eagle mine is marmatite, the black iron-rich variety.
-
The sphalerite is dense enough on some specimens to be considered a crust, whereas on others there is just the right ratio of sphalerite to millerite to create truly beautiful specimens.
-
Pseudomorphs of sphalerite after galena, tetrahedrite, barite, and calcite have been found; hemimorphite and smithsonite pseudomorphs after sphalerite are reported.