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Geography Categories
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| Definition Of: |
Eckermannite
 General Information: Chemical Formula:NaNa2(Mg4Al)Si8O22(OH)2 Composition:(Molecular Weight = 803.86 gm)Sodium 8.58 % NaMagnesium 12.09 % MgAluminum 3.36 % AlSilicon 27.95 % SiHydrogen 0.25 % H Oxygen 47.77 % O Empirical Formula: Na3Mg4Al(Si8O22)(OH)2 IMA Status:Approved IMA 1978 Physical Properties: Cleavage:[110] Perfect Color:blue green. Density:3 - 3.17, Average = 3.08 Diaphaniety:Translucent Hardness:5-6 - Between Apatite and Orthoclase Luster:Vitreous (Glassy) Streak:greenish white More details...
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Mineralogy Dictionary INDEX:
List of Terms: Terms beginning with "A", Page 1 |
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Page Number:
1 2 3 4 A: Page 1 of 4.
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