(n.) A finegrained rock, flintlike in fracture, consisting essentially of orthoclase feldspar with occasional grains of quartz.
Example Sentences:
Mineralogy
Definition:
(n.) The science which treats of minerals, and teaches how to describe, distinguish, and classify them.
(n.) A treatise or book on this science.
Example Sentences:
(1) Mineralogic analysis using scanning and transmission electron microscopy showed most of the crystals to be silicates.
(2) Calculi are classified into six morphological types with their corresponding mineralogical natures.
(3) In general, there is no statistical difference in the trace element assemblages of mineralogically identical stones from the three areas.
(4) The surveys provided information on the mineralogical nature of the dust, its respirable content and the concentration of silica polymorphs.
(5) Furthermore, the study discusses the mineralogy of the rhinolith on the basis of the results yielded by the electron-ray micro-probe, x-ray diffractometry and infrared-spectroscopy with respect to the mineral Whitlockite.
(6) Dr. Abildgaard's long and varied career included many significant contributions to veterinary and human medicine, biology, zoology, botany, physics, chemistry, and mineralogy.
(7) Mineralogical analysis of non-fibrous particles in BAL can be a useful tool to investigate occupational exposures.
(8) The vaterite of ascidian spicules immersed in natural seawater remains mineralogically unchanged for 1 year, which indicates that vaterite may be preserved transiently in marine sediments.
(9) It is therefore proposed that comprehensive mineralogical investigation of pesticide carriers is warranted, including epidemiological and clinical study of formulation and application personnel as well as exposed nonoccupational populations.
(10) The three major mineralogical matrices identified in fly ash are glass, mullite-quartz, and magnetic spinel.
(11) These public health actions included: establishing a system of active surveillance of cause-specific emergency room (ER) visits and hospital admissions in affected and unaffected communities for comparison; assessing the causes of death and factors associated with survival or death among persons located near the crater; analyzing the mineralogy and toxicology of sedimented ash and the airborne concentration of resuspended dusts; investigating reported excesses of ash-related adverse respiratory effects by epidemiological methods such as cross-sectional and case-control studies; and controlling rumors and disseminating accurate, timely information about volcanic hazards and recommended preventive or control measures by means of press briefings and health bulletins.
(12) Mineralogical and elementary analysis by a variety of techniques showed small or trace amounts of hard metal in all lungs.
(13) The following are considered in particular: instrumental examinations made during hospitalisation and operation; pH, enzymatic activity (phospholipase, trypsin and amylase) and examination of bile cultures; morphological, microscopic examination (electronic scan microscopy) and mineralogical examination (X-ray diffractometry and infrared spectroscopy) of the calculus.
(14) Skeletal walls of more than one mineralogy have the magnesium-rich layer (calcite) surrounding the living chamber and the strontium-rich layer (aragonite) on the outside.
(15) The exposure of asbestos was studied in 31 cases of mesothelioma from case histories and by microscopic mineralogical analysis of the broncho-alveolar lavage fluid (BAL) (31 cases) and of pulmonary tissue (5 cases).
(16) Mineralogical investigation of the batches broadly divided them into two subgroups with quite different cation exchange capacities (CEC): dominant smectitic with and without calcium carbonate and dominant palygorskitic with calcium carbonate.
(17) These crystals were indistinguishable mineralogically and morphologically from normal mouse otoconia.
(18) The quantitative mineralogical analysis of small samples (less than 20 mg) of china clay has been investigated using x ray diffractometry to determine kaolinite, mica, quartz, and feldspar.
(19) Three distinct mineralogical phases were identified.
(20) Palmer, 61, gave up the chairmanship of Mineralogy, but not ownership rights, after narrowly winning a seat in the Australian parliament in 2013.