Found in a small hydrothermal body composed primarily of natrolite. New structure type.
IMA Status:
Approved IMA 2006 (Dana # Added)
Locality:
Kirovskii mine, Mt. Kukisvumchorr, Khibiny massif, Kola Peninsula, Russia Link to MinDat.org Location Data.
Name Origin:
Named (pronounced "pod-lez'-no-ite") for Aleksandr Semenovich Podlesnyi (born 1948), Russian amateur mineralogist and prominent mineral collector, in recognition of his significant contributions to the mineralogy of the
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Hardness:
3.5-4 - Copper Penny-Fluorite
Luminescence:
Fluorescent, Short UV=pinkish orange, Long UV=weak lilac blue.
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Podlesnoite
Gladstone-Dale:
CI meas= 0.059 (Good) - where the CI = (1-KPDmeas/KC) CI calc= 0.066 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1576,KPDmeas= 0.1589,KC= 0.1688 Ncalc = 1.61 - 1.62
Optical Data:
Biaxial (-), a=1.5, b=1.612, g=1.614, bire=0.1140
Calculated Properties of Podlesnoite
Electron Density:
Bulk Density (Electron Density)=3.35 gm/cc note: Specific Gravity of Podlesnoite =3.62 gm/cc.
Fermion Index:
Fermion Index = 0.06 Boson Index = 0.94
Photoelectric:
PEPodlesnoite = 163.10 barns/electron U=PEPodlesnoite x rElectron Density= 546.58 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Podlesnoite is Not Radioactive
Chemical Formula: 