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The new mineral delchiaroite, Cu3I(CH3S)2, has been discovered in La Piana quarry, Colonnata marble basin, Carrara, Apuan Alps, Tuscany, Italy. It occurs as light-yellow acicular crystals, elongated on [010], up to 0.1 mm in length and is brittle, with a light-yellow streak and a greasy luster. In reflected light, delchiaroite is light gray with abundant internal yellow reflections; anisotropism is moderate, with gray tints. Reflectance values for the four COM wavelengths are (λ (nm) Rmin/Rmax (%)) 470: 20.6/22.2; 546: 20.9/23.4; 589: 20.7/23.3; and 650: 20.1/22.4. Electron microprobe analysis resulted in the following (average of 12 spot analyses – in wt %): Cu 47.27, I 31.09, S 14.90, Ccalc 5.58, Hcalc 1.40, and total 100.24. The empirical formula of delchiaroite, calculated on the basis of Cu + I + S = 6 atoms per formula unit, is Cu3.07I1.01(CH3S)1.92, in accordance with the end-member formula Cu3I(CH3S)2. Delchiaroite is orthorhombic, space group Pmmn, with a=16.924(10), b=4.099(2), c=5.572(3) Å, V=386.5(4) Å3, and Z=2. The crystal structure was refined to R1=0.0962 for 360 unique reflections, with Fo>4σF and 27 refined parameters. It can be described as being formed by electroneutral [Cu3I(CH3S)2]0 100 layers stacked along a. The origin of delchiaroite is related to the supergene alteration of enargite in vugs of Liassic marbles. Chemically, this mineral belongs to the pseudo-binary system CuI–Cu(CH3S) at a 1:2 ratio. It constitutes the first example of natural iodide–methanethiolate, illustrating the interaction between inorganic and organic chemistry. Its name honors the mineral collector Lorenzo Del Chiaro (b. 1951) for his contribution to the knowledge of the mineralogy of the vugs of the Marble Formation belonging to the Alpi Apuane metamorphic complex.

The new mineral delchiaroite, Cu.sub.3 I(CH.sub.3 S).sub.2, has been discovered in La Piana quarry, Colonnata marble basin, Carrara, Apuan Alps, Tuscany, Italy. It occurs as light-yellow acicular crystals, elongated on [010], up to 0.1 mm in length and is brittle, with a light-yellow streak and a greasy luster. In reflected light, delchiaroite is light gray with abundant internal yellow reflections; anisotropism is moderate, with gray tints. Reflectance values for the four COM wavelengths are (λ (nm) Rmin/Rmax (%)) 470: 20.6/22.2; 546: 20.9/23.4; 589: 20.7/23.3; and 650: 20.1/22.4. Electron microprobe analysis resulted in the following (average of 12 spot analyses - in wt %): Cu 47.27, I 31.09, S 14.90, C.sub.calc 5.58, H.sub.calc 1.40, and total 100.24. The empirical formula of delchiaroite, calculated on the basis of Cu + I + S = 6 atoms per formula unit, is Cu.sub.3.07 I.sub.1.01 (CH.sub.3 S).sub.1.92, in accordance with the end-member formula Cu.sub.3 I(CH.sub.3 S).sub.2 . Delchiaroite is orthorhombic, space group Pmmn, with a=16.924(10), b=4.099(2), c=5.572(3) Ã, V=386.5(4) Ã.sup.3, and Z=2. The crystal structure was refined to R.sub.1 =0.0962 for 360 unique reflections, with F.sub.o 4ÏF and 27 refined parameters. It can be described as being formed by electroneutral [Cu.sub.3 I(CH.sub.3 S).sub.2 ].sup.0 100 layers stacked along a. The origin of delchiaroite is related to the supergene alteration of enargite in vugs of Liassic marbles. Chemically, this mineral belongs to the pseudo-binary system CuI-Cu(CH.sub.3 S) at a 1:2 ratio. It constitutes the first example of natural iodide-methanethiolate, illustrating the interaction between inorganic and organic chemistry. Its name honors the mineral collector Lorenzo Del Chiaro (b. 1951) for his contribution to the knowledge of the mineralogy of the vugs of the Marble Formation belonging to the Alpi Apuane metamorphic complex.

The new mineral delchiaroite, Cu3I(CH3S)2, has been discovered in La Piana quarry, Colonnata marble basin, Carrara, Apuan Alps, Tuscany, Italy. It occurs as light-yellow acicular crystals, elongated on [010], up to 0.1 mm in length and is brittle, with a light-yellow streak and a greasy luster. In reflected light, delchiaroite is light gray with abundant internal yellow reflections; anisotropism is moderate, with gray tints. Reflectance values for the four COM wavelengths are (λ (nm) Rmin/Rmax (%)) 470: 20.6/22.2; 546: 20.9/23.4; 589: 20.7/23.3; and 650: 20.1/22.4. Electron microprobe analysis resulted in the following (average of 12 spot analyses – in wt %): Cu 47.27, I 31.09, S 14.90, Ccalc 5.58, Hcalc 1.40, and total 100.24. The empirical formula of delchiaroite, calculated on the basis of Cu + I + S = 6 atoms per formula unit, is Cu3.07I1.01(CH3S)1.92, in accordance with the end-member formula Cu3I(CH3S)2. Delchiaroite is orthorhombic, space group Pmmn, with a=16.924(10), b=4.099(2), c=5.572(3) Å, V=386.5(4) Å3, and Z=2. The crystal structure was refined to R1=0.0962 for 360 unique reflections, with Fo>4σF and 27 refined parameters. It can be described as being formed by electroneutral [Cu3I(CH3S)2]0 100 layers stacked along a. The origin of delchiaroite is related to the supergene alteration of enargite in vugs of Liassic marbles. Chemically, this mineral belongs to the pseudo-binary system CuI–Cu(CH3S) at a 1:2 ratio. It constitutes the first example of natural iodide–methanethiolate, illustrating the interaction between inorganic and organic chemistry. Its name honors the mineral collector Lorenzo Del Chiaro (b. 1951) for his contribution to the knowledge of the mineralogy of the vugs of the Marble Formation belonging to the Alpi Apuane metamorphic complex.

Research in patients with Eating Disorders (EDs) showed high rates of Food Addiction (FA) even in restrictive subtypes. The majority of studies were conducted on adult population. The present work aimed to describe and compared FA in adolescents diagnosed for different EDs and to evaluate its association with patients’ psychopathology. Patients aged 12–18 y were included in the analysis. FA was assessed using the Yale Food Addiction Scale 2.0. The rate of FA was of 49.4% in the whole sample (n = 87, F = 90.8%) and of 53.7% in patients diagnosed with restrictive anorexia nervosa. No difference in FA frequency was detected between EDs. A worse psychopathological picture was found in patients diagnosed with FA. Higher age, higher score to the Eating Attitudes Test–26 and to the Eating Disorder Inventory-3′s Interoceptive Deficits scale have been detected as the major predictors of FA in our sample. FA may be considered a transnosographic construct, not linked to the subtype of ED but to patients’ personal characteristics and, in particular, to age and interoceptive deficits. A worse psychopathology might be considered a risk factor for the presence of FA in EDs.