 | | Journal (issue) | | where ores from the various mines of tbe Silver District were treated. The now-famous Red Cloud rnine was...and 1889 he shipped 5,000 specimens of Silver District vanadinite back to Philadelphia. Around 1910 an...including the Flux mine, the Mammoth mine, tbe Silver District mines (including the Red Cloud), and mines in...Gold, 3.3 and 6.8 cm, from the Santa Elena River district, Bolivar Province, Venezuela. Ex Hubert de Monmonier...6.5 cm, from the Morenci mine, Copper Mountain district, Greenlee County, Arizona. Dale Armstrong photo |  | | Journal (issue) | | gressman@minrec.org Articles The Malkhan Pegmatite District Krasny Chikoy, Transbaikalia, Eastern Siberian...the Forgotten Pocket, Sosedka pegmatite, Malkhan district. The same specimen as shown from a different angle...cell.: +43 (0)664 4047940 The Malkhan Pegmatite District Krasny Chikoy, Transbaikalia, Eastern Siberian...discoveries in Brazil, California and the Himalayas. The district has produced over 50 different mineral species...Zabaykalsky Krai, Eastern Siberia, Russia. The district is on the Russian side of the border between the |  | | Book | | | 33 | 34 | 35 | 36 K | Ca] Sc | Ti | V | Cr} Mn] Fe | Co] Ni | Cul Zn | Ga} Ge} As | Se | Br | kr a...He2i Oita 3. 2 | 2 | 2 24] 25 | 26] 27] |G | Mia fe | Go| V |] 1.8] |1.5| 12 11 10 7208 65 ...| 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 fe | Pr | Nd | Pm| Sm] Eu | Gd| Tb | Dy | Ho| Er | tm]...| e 4 2 22) Ti 23 | 24s) 250626) Vv Cr | Mn} Fe 6 3.76] 2.88] 4+ 68| 3+74| 7 40 | 41 | 42 | Zr...abundance. Thus, for the smaller the ion. For example, Fe** has a radius of 74 pm, whereas the radius of every | | | Book | | 19 K 20 Ca 21 Sc 22 Ti 23 V 24 Cr 25 Mn 26 Fe 27 Co 28 Ni 29 Cu 30 Zn 31 Ga 32 Ge 33 As...106 102 99 21 Sc 22 Ti 23 V 24 Cr 25 Mn 26 Fe 27 Co 28 Ni 29 Cu 30 Zn 31 Ga 32 Ge 33 As...10 11 12 21 Sc 22 Ti 23 V 24 Cr 25 Mn 26 Fe 27 Co 28 Ni 29 Cu 30 Zn 16 S 15 P 17 Cl 18...Nb 42 Mo 4+ 79 4+ 74 4+ 70 72 Hf 8 - 9 26 Fe 10 27 Co 2+ 74 3+ 64 11 29 Cu 28 Ni 2+ 69 ...109 108 O 10 C 7 Mg N Ne Si 106 S Ar 105 Fe Ca Al Ni Na 10 Cr 4 P 103 F Mn Ti Cl |  | | Journal (issue) | | Characteristics of D-to-Z Diamonds Emeralds from Swat Valley, Pakistan History of European Royal Jewel Sales Turquoise...Colorless to Near-Colorless Diamonds, Emeralds from Pakistan, a History of European Royal Jewel Sales, and...Element Characteristics of Emeralds from Swat Valley, Pakistan Hongshu Guo, Xiaoyan Yu, Yuyu Zheng, Zhulin...cultured pearls • Trapiche-type emerald from Swat Valley, Pakistan • Unusual violet Maxixe beryl • New type of... Colorless to Near-Colorless Diamonds, Emeralds from Pakistan, a History of European Royal Jewel Sales, and |  | | Book | | with 5 edges shared per MnO6 octahedron VI 2+ 3+ Fe –O 450–500 Octahedron Sb3+–O 460–560 Valentinite...610–620 Isolated octahedron V VI Zr–O IV 3+ Fe –O 610–660 Tetrahedron VI W6+–O 615–815 Octahedron...manaksite water preferably occupies unit cells in which Fe or Mn are substituted with calcium that is present...unit cell; these OH groups coordinated by 1 Mg (or Fe) and 1 Si (or Al) are generated by a partial replacement...configurations (MgR2+R2+)– OH–□ and (MgMgR3+)–OH–□ where R = Fe or Mn (Ishida and Hawthorne 2001). Consequently, |  | | Journal (volume) | | the mechanisms of anoxic Fe redox cycling in the subsurface, and the impact of Fe mineral biotransformations...represents the investigation of redox processes. For Fe, the pre-edge region provides an almost direct way...g. REE in model fluid compositions [10]. XANES on Fe in hydrous melt at P & T provides evidence for non-quenchable...non-quenchable structural re-organizations in the Fe environment during the cooling to a hydrous glass...and oriented specimen investigations. Chlorite is Fe dominant, negligible amount of interstratified illite-smectite |  | | Book | | isotopes of nuclei on the proton-rich side of the valley of beta stability. Our subsequent discussions will...characteristic lifetime for b-unstable nuclei near the valley of b-stability, ensures that as captures proceed...neutron-capture path will itself remain close to the valley of b-stability. This defines the s-process. In...into the neutron-rich regions off the b-stable valley. Following the exhaustion of the neutron flux,...the capture products approach the position of the valley of b-stability by b-decay, forming the r-process |
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Shigar Valley, Shigar District, Gilgit-Baltistan, Pakistan