Origin of an Emerald Cabochon from a Roman Estate at Gerace, Sicily Available to Purchase

High-pressure behavior and structural transition of beryl-type johnkoivulaite, Cs(Be 2 B)Mg 2 Si 6 O 18 Available to Purchase

Color effects of Cu nanoparticles in Cu-bearing plagioclase feldspars Available to Purchase

Johnkoivulaite, Cs(Be 2 B)Mg 2 Si 6 O 18 , a new mineral of the beryl group from the gem deposits of Mogok, Myanmar Available to Purchase

Toward the wider application of 29 Si NMR spectroscopy to paramagnetic transition metal silicate minerals and glasses: Fe(II), Co(II), and Ni(II) silicates Available to Purchase

A common origin for Thai/Cambodian rubies and blue and violet sapphires from Yogo Gulch, Montana, U.S.A.? Available to Purchase

The origin of needle-like rutile inclusions in natural gem corundum: A combined EMPA, LA-ICP-MS, and nano-SIMS investigation—Reply Available to Purchase

How to facet gem-quality chrysoberyl: Clues from the relationship between color and pleochroism, with spectroscopic analysis and colorimetric parameters Available to Purchase

The origin of needle-like rutile inclusions in natural gem corundum: A combined EPMA, LA-ICP-MS, and nanoSIMS investigation Available to Purchase

Trivalent transition-metal cations and local structure in pyrope- and grossular-rich solid solutions investigated by 27 Al and 29 Si MAS NMR spectroscopy Available to Purchase

An investigation of local Fe 2+ order-disorder in a mantle grospydite garnet using paramagnetically shifted 27 Al and 29 Si MAS NMR resonances Available to Purchase

Transition metal cation site preferences in forsterite (Mg 2 SiO 4 ) determined from paramagnetically shifted NMR resonances Available to Purchase

Cation order-disorder in Fe-bearing pyrope and grossular garnets: A 27 Al and 29 Si MAS NMR and 57 Fe Mössbauer spectroscopy study Available to Purchase

Incorporation of Fe and Al in MgSiO 3 perovskite: An investigation by 27 Al and 29 Si NMR spectroscopy Available to Purchase

Paramagnetic interactions in the 31 P NMR spectroscopy of rare earth element orthophosphate (REPO 4 , monazite/xenotime) solid solutions Available to Purchase

Variable-temperature 27 Al and 29 Si NMR studies of synthetic forsterite and Fe-bearing Dora Maira pyrope garnet: Temperature dependence and mechanisms of paramagnetically shifted peaks Available to Purchase