What's the difference between lanarkite and prismatic?

Lanarkite


Definition:

  • (n.) A mineral consisting of sulphate of lead, occurring either massive or in long slender prisms, of a greenish white or gray color.

Example Sentences:

Prismatic


Definition:

  • (a.) Alt. of Prismatical

Example Sentences:

  • (1) The crystals have a rhombic prismatic habit and belong to the orthorhombic space group C222(1) with unit cell dimensions a = 130 A, b = 213 A and c = 216 A. X-ray structure determination is underway.
  • (2) The dipole can be accurately localised in the prismatic container.
  • (3) Nevertheless, the prismatic effects of intraocular lenses could account for the difficulties met in examination of peripheral fundus.
  • (4) Their cells were cuboid at fry stages and prismatic in juveniles and adults.
  • (5) The channel spaces were lined with a successive arrangement of belt-like intercrestal surfaces of prismatic enterocytes and variously sized processes on the crests.
  • (6) The thick prismatic plate crystals belong to space group P2(1)2(1)2 with unit cell dimensions of a = 177.42 A, b = 37.36 A and c = 73.30 A.
  • (7) In a previous study, it was found that oblique gaze and the prismatic effect inherent in dynamic aniseikonia combine to affect the ability to fixate centrally.
  • (8) Physico-chemical investigations of enamel from deciduous teeth of a small number of children with and without pre-natal fluoride supplementation (PNF) exhibited the following differences between the PNF and non-PNF enamel, with the former showing: (a) more homogeneous and less extensive patterns of acid-etching; (b) denser crystal populations in intra-prismatic regions; (c) larger prism dimensions; (d) greater total mineral density (wt%ash); (e) higher degree of crystallinity; (f) smaller a-axis dimensions; and (g) more fluoride and less carbonate contents.
  • (9) At later stages, the epithelium becomes highly prismatic and forms folds which are lined by a mesenchyme and blood vessels.
  • (10) Experimental determination of the strain distribution in prismatic, square cross-section bars of human compact bone in torsion disclosed nonclassical effects associated with the microstructure.
  • (11) It may be subdivided into a pair of copper atoms with histidine ligands whose ligating N-atoms (5 NE2 atoms and one ND1 atom) are arranged trigonal prismatic.
  • (12) The prismatic orientation, diameter, and density were found to be normal.
  • (13) Assuming the contact lens to remain stationary and the eye behind the lens to rotate, it is shown that the theoretical effect on ocular rotation of prismatic contact lenses is practically equal to their prismatic effect in air.
  • (14) All four patients completed therapy with almost total alleviation of symptoms and elimination of full-time prismatic correction.
  • (15) However, the larger apatite crystal size and loss of prismatic structure in crazed and cratered areas may partly explain previous observations of reduced rates of subsurface demineralization in lased enamel.
  • (16) Ultrastructurally, metachromatic leukodystrophy (MLD) is marked by characteristic features such as herringbone, prismatic and tufaceous patterns which are typically encountered within oligodendrocytes of the central nervous system (CNS) and in Schwann cells (PNS).
  • (17) Perceptual adaptation to a 30 or 45 degrees visual tilt was induced in human subjects by means of prismatic spectacles worn for 5-7 days.
  • (18) In most mitochondria the matrix contained a paracrystalline material which had a characteristic prismatic shape with a regular internal lattice structure.
  • (19) In 19 patients with normosensoric esotropia, the squint angles measured with the alternate cover test were compared with those after prolonged prismatic correction of the squint angle and with those after prolonged occlusion of one eye.
  • (20) The decline was a linear function of prismatic power.

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