The Mineralogy of Pennsylvania
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In our eReader you can find the full English version of the book. Read The Mineralogy of Pennsylvania Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Mineralogy of Pennsylvania
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20 12. 69 98. 22 100. 12 99. 10 99. 48 JEFFERISITE' Color: dark yellowish-brown, to light yellow. Luster: pearly on cleavage surfaces. Translucent. Form: broad crystals or crystalline plates. Cleavage: basal, eminent; laminae flexible, inelastic. H = 1 . 5. Sp. Gr. 2 . 30.
Optical properties: Plates are generally twinned. Plane of optic axes coincides with the shorter diagonal of the prisms. Double refraction strong, . Axial angles varies from 10-27, some plates are apparently uniaxial. Dispers...ion slight, p
What to read after The Mineralogy of Pennsylvania?
You can find similar books in the "Read Also" column, or choose other free books by Samuel George Gordon to read online
To quickly assess the difficulty of the text, read a short excerpt:
20 12. 69 98. 22 100. 12 99. 10 99. 48 JEFFERISITE' Color: dark yellowish-brown, to light yellow. Luster: pearly on cleavage surfaces. Translucent. Form: broad crystals or crystalline plates. Cleavage: basal, eminent; laminae flexible, inelastic. H = 1 . 5. Sp. Gr. 2 . 30.
Optical properties: Plates are generally twinned. Plane of optic axes coincides with the shorter diagonal of the prisms. Double refraction strong, . Axial angles varies from 10-27, some plates are apparently uniaxial. Dispers...ion slight, p
What to read after The Mineralogy of Pennsylvania?
You can find similar books in the "Read Also" column, or choose other free books by Samuel George Gordon to read online
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