Elements of Optical Mineralogy; An Introduction to Microscopic Petrography, with Description of All Minerals Whose Optical Elements Are Known and Tables Arranged for Their Determination Microscopically
Elements of Optical Mineralogy; An Introduction to Microscopic Petrography, with Description of All Minerals Whose Optical Elements Are Known and Tables Arranged for Their Determination Microscopically
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1909 Excerpt: ...produced either by regional or contact metamorphism, and in meteorites. Diag. Anorthite, of all the feldspars, has the strongest birefringence and the highest relief. For other means of distinction see the preceding tables. FERRINATRITE. Hexagonal C = 0.553 NanFe2(S04)4 + 6H20 Phys. Char. Crystals acicular, rare; ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1909 Excerpt: ...produced either by regional or contact metamorphism, and in meteorites. Diag. Anorthite, of all the feldspars, has the strongest birefringence and the highest relief. For other means of distinction see the preceding tables. FERRINATRITE. Hexagonal C = 0.553 NanFe2(S04)4 + 6H20 Phys. Char. Crystals acicular, rare; usually lamellar radiated in spherical forms. Cleavage perfect 10I0, imperfect 1120. H. = 2. G. = 2.56. Opt. Char. Uniaxial and positive. Refringence moderate, birefringence strong. Color pale greenish, pale grayish, white; colorless in thin section; ng=i.6i3, np= 1.558; ng--np = o.055 Occur. Found with other sulphates. Very rare. FISCHERITE. Orthorhombic o: 6: c:: 0.594: I: ? A1P04 Al(OH)1 Phys. Char. Crystals small, prismatic to acicular; scales. H. = 5-G. = 2.46. Gives H20 B.B. Soluble in H2S04 Opt. Prop. The optic plane is parallel to 100; the bisectrix Z is normal to 001. Axial optic angle large. Color green. ( + ) 2 = io6i8'Na (2V = 610 51' Na) nm= 1.555 Occur. Found in veins in slate, etc. Very rare. FLINKITE. Orthorhombic a: b: c:: 0.413:1: 0739 MnAs04 2Mn(OH)., Phys. Char. Crystals minute, tabular 11 001; in feathery aggregates. H.--4.-4.5. G. = 3.87. Fuses easily. Readily soluble in acids. Opt. Prop. The optic plane is parallel to 001; the bisectrix Z is normal to 100. Axial optic angle large; dispersion probably p -. Color greenish brown. Pleochroism distinct. Z = orange brown, Y = yellowish green, X = yellowish to brownish green. Occur. Found in iron-manganese mines in Sweden. Very rare. Sarkinite Mrf2(AsOt) e Mn(OH)J is chemically related to flinkiie. It is monoclinic with a: b: c:: 2.002:1:1.515, and--62 13'. H. = 4.-5. G. = 4.18. Fuses at about 4. Easily soluble in HC1. Optic plane parallel to 010: Xac =--54. Optic an...
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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