[permalink] [id link]
The barite group has the general formula XSO < sub > 4 </ sub >, where the X is a large 12-coordinated cation.
from
Wikipedia
Some Related Sentences
barite and group
Examples include barite ( BaSO < sub > 4 </ sub >), celestine ( SrSO < sub > 4 </ sub >), and anglesite ( PbSO < sub > 4 </ sub >); anhydrite is not part of the barite group, as the smaller Ca < sup > 2 +</ sup > is only in eight-fold coordination.
Primary mineralogy is highly variable, but may include natrolite, sodalite, apatite, magnetite, barite, fluorite, ancylite group minerals, and other rare minerals not found in more common igneous rocks.
barite and has
A barite mine has operated near the north end of the Yukon section.
barite and <
The most common naturally occurring minerals of barium are barite ( barium sulfate, BaSO < sub > 4 </ sub >) and witherite ( barium carbonate, BaCO < sub > 3 </ sub >), both being insoluble in water.
Fukuchilite, Cu < sub > 3 </ sub > FeS < sub > 8 </ sub >, is a copper iron sulfide named after the Japanese mineralogist Nobuyo Fukuchi, that occurs in ore bodies of gypsum-anhydrite at the intersection points of small masses of barite, covellite, gypsum and pyrite, and is mostly found in the Hanawa mine in the Akita prefecture of Honshū, Japan where it was first discovered in 1969.
When present, the δ < sup > 34 </ sup > S values of barite are generally consistent with a seawater sulfate source, suggesting barite formation by reaction between hydrothermal barium and sulfate in ambient seawater.
barite and 4
File: Sugilite-40452. jpg | A rich thumber of pretty purple sugilite on a matrix of bladed barite crystals, Wessels Mine in Northern Cape Province, South Africa, size: 2. 4 x 2. 1 x 1. 2 cm.
barite and is
Inside the chalcedony shell many minerals have been found such as calcite, pyrite, kaolinite, sphalerite, millerite, barite, dolomite, limonite, smithsonite and quartz, which is by far the most common and abundant mineral found in geodes.
* the desert rose name can also be applied to barite desert roses ( another related sulfate mineral ) – barite is a harder mineral with higher density
Anglesite occurs as prismatic orthorhombic crystals and earthy masses, and is isomorphous with barite and celestine.
Desert rose is the colloquial name given to rosette formations of the minerals gypsum and barite with poikilotopic sand inclusions.
It is found in hydrothermal veins and contact metamorphic deposits in association with other Cu – Pb – Zn – Ag sulfides and sulfosalts, pyrite, calcite, dolomite, siderite, barite, fluorite and quartz.
Almalyk is a company town developed by the Soviet Union in the 1930s, to exploit local reserves of copper, lead, zinc, gold, silver and barite.
She is equally popular in the Bengali pop music space with songs like Sadher lau banailo morey, Shilpi ami, tomaderi gan shonabo and Bondhu tin din tor barite gelam.
barite and .
Crystals of calcite, quartz, dolomite or barite may line small cavities in the rock.
* Other minerals that act as cements include: hematite, limonite, feldspars, anhydrite, gypsum, barite, clay minerals, and zeolite minerals.
Common chemical sedimentary rocks include oolitic limestone and rocks composed of evaporite minerals such as halite ( rock salt ), sylvite, barite and gypsum.
For instance, the Ridge and Valley, which lies in the northwest corner of the state, includes limestone, sandstone, shale and other sedimentary rocks, which have yielded construction-grade limestone, barite, ocher and small amounts of coal.
Having formerly had 1, 000 workers, the mine employed just 14 people towards the end, using the most modern technology to extract barite.
The State's main products are gold, copper concentrate, magnesite, chromite, rock salt, barite, manganese, ornamental rocks, precious stones, talcum, phosphates and uranium.
Gravity models of Abby Creek and Bion barite deposits, Howard Pass quadrangle, northwestern Brooks Range, Alaska Geological Survey Open-file Report 97-704.
In addition to small amounts of Nevada petroleum, the Basin and Range province supplies nearly all the copper and most of the gold, silver, and barite mined in the United States.
The main ores mined at Rammelsberg were lead-zinc ore, copper ore, sulphur ore, mixed ore ( Melierterz ), brown spar ( Braunerz ), barite ore ( Grauerz ), banding ore ( Banderz ) and kniest along with the important minerals of galena, chalcopyrite, sphalerite, baryte and vitriols.
Other associated minerals include wulfenite, limonite, and barite.
Associated minerals include mimetite, pyromorphite, descloizite, mottramite, wulfenite, cerussite, anglesite, calcite, barite, and various iron oxide minerals.
In 1837, the first ( and at the time only ) prismatic barite ore of tungsten in the United States was discovered at the mine.
They can also be composed of other minerals that include dolomite, ankerite, siderite, pyrite, marcasite, barite and gypsum.
Other concretions, which formed as a result of microbial sulfate reduction, consist of a mixture of calcite, barite, and pyrite.
As the result of the further analysis of rock samples from this structure, it was concluded that barite had been misidentified as coesite.
Because skarns are formed from incompatible-element rich, siliceous aqueous fluids a variety of uncommon mineral types are found in the skarn environment, such as: tourmaline, topaz, beryl, corundum, fluorite, apatite, barite, strontianite, tantalite, anglesite, and others.
These activities resulted in displacement of about of the sea bottom soil which contained barite, clay, caustic soda, as well as heavy metals zinc, copper, lead, chromium, cobalt, nickel, cadmium and mercury.
Slab of manganese ore showing an intimate mixture of hausmannite and psilomelane in a roughly zonal arrangement and a radiating mass of white barite at the center.
The light steel-gray mineral and the black mineral immediately adjacent to the barite are psilomelane.
group and has
Historically, however, the concept is one that has been of marked benefit to the people of the Western civilizational group.
The music director of the Pittsburgh Symphony Orchestra, William Steinberg, has molded his group into a prominent musical organization, which is his life.
I think that we are here also talking of the kind of fear that a young boy has for a group of boys who are approaching at night along the streets of a large city.
The publication of Father Connolly's The Man Has Wings has made more of the group available in print so that a general picture of what it contained can now be had without difficulty.
The spirit of this group was that we were -- and are -- living in a world doomed to eternal punishment, but that God through Jesus Christ has provided a way of escape for those who confess their sins and accept salvation.
Although Patchen has given previous evidence of an interest in jazz, the musical group that he works with, the Chamber Jazz Sextet, is often ignored by jazz critics.
Patchen's musicians are outsiders in established jazz circles, and Patchen himself has remained outside the San Francisco poetry group, maintaining a self-imposed isolation, even though his conversion to poetry-and-jazz is not as extreme or as sudden as it may first appear.
The board of suspension of the Interstate Commerce commission has ordered a group of railroads not to reduce their freight rates on grain, as they had planned to do this month.
`` The established pattern of relative calm in the field of race relations has continued in all areas '', reported this group headed by Harold Colee of Jacksonville and including two South Floridians, William D. Singer and John B. Turner of Miami.
Fortunately, there is a nursery school which he has been able to attend, with a group of normal children.
But a realization that each group has much of substance to learn from the other also developed, and a strong conviction grew that each had insights and dimensions to contribute to ethically acceptable solutions of urgent political issues.
For ten years a small group of European and U.S. critics has been calling attention to the half-forgotten Austrian expressionist Egon Schiele, who died 42 years ago at the age of 28.
Mr. Claude is a specialist in torso development and he has long favored the now-famous Weider Push-Pull Super-Set technique in which one exercise of the Super-Set is a pressing or `` pushing '' movement which accents one sector of a muscle group in a specific way, followed by a `` pulling '' exercise which works the opposing sector of the same muscle group.
At the University of Washington Medical School, the electronics group has developed the `` Respiratory Gas Analyzer '' shown in Fig. 3.
This push to confine the study of mass behaviour to the measurements of parameters involved in differential equations has led sociology perilously close to the reduction of the word `` mass '' to mean a small group in which certain relations between all pairs of individuals in such a group can be studied.
Within each chapter an effort has been made to group together those crystals with similar structures.
But certainly the New Frontier has brought to Washington a group more varied in background and interest.
If the change, at first sight, seems minor, we may recall that it took the Italian painters about two hundred years to make an analogous change, and the Italian painters, by universal consent, were the most brilliant group of geniuses any art has seen.
He said that the group has no candidates for the charter commission in mind at present, but that it will undoubtedly endorse candidates when the time comes.
Within the membership of this group, as has been found true of men in other professional or trade associations, the most ready portrayal of oneself to `` the public '' is that of a neutral agent simply serving the interests of a seller or buyer and mediating between them.
Data on the decline of property values in an area after a new racial group enters it has to be assessed in terms of the trends in property values before the group comes in.
It has controversially been argued by some evolutionary scientists such as E. O. Wilson that natural selection can act at the level of non-kin groups to produce adaptations that benefit a non-kin group even if these adaptions are detrimental at the individual level.
0.418 seconds.