Crystal-Chemical Observations and the Relation Between Sodium and H 2 O in Different Beryl Varieties

Kozłowskiite, ideally Ca 4 Fe 2+ Sn 3 (Si 2 O 7 ) 2 (Si 2 O 6 OH) 2 , a new kristiansenite-type mineral from Szklarska Poręba, Lower Silesia, Poland

Celleriite, ☐( Mn 2 2 + Al)Al 6 (Si 6 O 18 )(BO 3 ) 3 (OH) 3 (OH), a new mineral species of the tourmaline supergroup

Magnesio-lucchesiite, CaMg 3 Al 6 (Si 6 O 18 )(BO 3 ) 3 (OH) 3 O, a new species of the tourmaline supergroup

A Crystallographically Supported Equation for Calculating Water in Emerald from the Sodium Content

The crystal chemistry of the sakhaite–harkerite solid solution

Meierite, a New Barium Mineral with a Kfi-type Zeolite Framework from the Gun Claim, Yukon Canada

Peterandresenite, Mn 4 Nb 6 O 19 ·14H 2 O, a new mineral containing the Lindqvist ion from a syenite pegmatite of the Larvik Plutonic Complex, southern Norway

Fe-rich and As-bearing vesuvianite and wiluite from Kozlov, Czech Republic

STRUCTURE AND TOPOLOGY OF DUMORTIERITE AND DUMORTIERITE-LIKE MATERIALS

Crystal chemistry of Bi- and Mn-bearing vesuvianite from Långban, Sweden

The Crystal Chemistry of As- and Sb-bearing Dumortierite

MAS NMR measurements and ab initio calculations of the 29 Si chemical shifts in dumortierite and holtite

Hyperfine electric field gradient tensors at Fe 2+ sites in octahedral layers: Toward understanding oriented single-crystal Mössbauer spectroscopy measurements of micas

Geometric crystal chemical models for structural analysis of micas and their stacking polytypes

Hyperfine electric field gradients and local distortion environments of octahedrally coordinated Fe 2+

The relationships between crystal-chemical and hyperfine parameters in members of the astrophyllite-group : A combined 57 Fe Mössbauer spectroscopy and single-crystal X-ray diffraction study