Found within the cavities of marble that was part of an epizonal metamorphic complex originating from a tertiary Tuscan sedimentary sequence. Zn analogue of cualstibite.
IMA Status:
Approved IMA 2006 (Dana # Added)
Locality:
Apuan Alps, Tuscany, Italy. Link to MinDat.org Location Data.
Name Origin:
Named for the composition (ZINk, Aluminium, Stibium).
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Bonaccorsi E , Merlino S , Orlandi P , American Mineralogist , 92 (2007) p.198-203, Zincalstibite, a new mineral, and cualstibite: Crystal chemical and structural, relationships, Locality: Lucchetti marble quarry, Fantiscritti marble basin, Carrara, Apuan, Alps, Tuscany, Italy
Physical Properties of Zincalstibite
Cleavage:
{001} Distinct
Color:
Colorless.
Diaphaneity:
Transparent
Habit:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Zincalstibite
Optical Data:
Uniaxial (?).
NCalc= 2.35 - from Gladstone-Dale relationship (KC = 0.2022) where Ncalc=Dcalc*KC+1
Calculated Properties of Zincalstibite
Electron Density:
Bulk Density (Electron Density)=6.42 gm/cc note: Specific Gravity of Zincalstibite =6.69 gm/cc.
Fermion Index:
Fermion Index = 0.01 Boson Index = 0.99
Photoelectric:
PEZincalstibite = 90.90 barns/electron U=PEZincalstibite x rElectron Density= 583.49 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Zincalstibite is Not Radioactive