tourmaline
National Institutes of Health
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Das Verhalten der drei leichten Elemente Li, Be und B wahrend einer Metamorphose liefert wichtige Informationen uber Fluid…
The pH values of distilled water regulated with HCl and NaOH were 3.2 and 12.12, respectively. Then tourmaline powder was put…
This paper deals with the mechanism of applying tourmaline to purifying Cu 2+_doped waste water based on the study of absorbing…
39 Ar of K-feldspar indicate eruption ages in the range of 135-132 Ma for both complexes. The evolutionary sequence of the Erongo…
Compositional pathways of tourmaline evolution during primary
(magmatic) crystallization in complex (Li) pegmatites of the…
Kaolin products from the St Austell Granite with different physical and chemical properties are used in porcelain, bone china…
T o date, a variety of interesting mineral inclusions have been reported in the emeralds from the deposits at Milzu-Kafubu, in…
A critical review is presented of published data bearing on the mineralogy, paragenesis, geochemistry, and origin of veiw-type…
Piezoelectricity was discovered in 1880 by the brothers Jacques and Pierre Curie [5]. Pressing a piezoelectric crystal plate…