Minerals

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NAME:

CHEMICAL FORMULA:

SYMMETRY:

 

PHYSICAL PROPERTIES


Color:
Transparency (Diaphaneity) :
Luster:
Streak:
Cleavage:
Fracture:
Hardness (Mohs):
Hardness (Vickers):
Density [g/cm3]:
Tenacity:

Luminescence:
Pyroelectricity:
Piezoelectricity:
Magnetism:
Radioactivity:


CRYSTALLOGRAPHY


Crystal System:
Crystal Class (Point Group):
Space Group:

Cell Parameters [Å]:
Axial Ratio:
Unit Cell Volume [Å3]:
Formula Units per Unit Cell (Z):
Crystal Structure:
X-ray Diffraction:

Morphology:
Typical Crystal Forms:
Twinning:


CHEMICAL PROPERTIES


Chemical Formula (CNMNC approved):
Chemical Composition:
Polymorphism:
Mineral Group:
Solid solution Series:


OPTICAL PROPERTIES (Polished sections (blocks) – reflected light)


Color:
Reflectance (R) [%]:(air, nm)
Anisotropy:
Bireflectance:
Pleochroism:
Internal Reflections:
Other:


OPTICAL PROPERTIES (Thin sections – transmitted light)


Optical Class:
Refractive Indice (isotropic):
n:
Refractive Indices - (uniaxial):
nω (no):
nε (ne):
Refractive Indices – (biaxial):
nα (np):
nβ (nm):
nγ (ng):
Indicatrix Orientation:
2V [deg]: (average)
Dispersion (2V):
Birefringence (δ max.):
Interference Color (sample thickness ~ 30µm (0.03mm)):
Pleochroism:
X-
Y-
Z-
Relief:
Other:


OTHER SPECIFIC DIAGNOSTIC PROPERTIES



OCCURRENCE AND DISTRBUTION


Occurence:

Mineral paragenesis and associations:

Famous Localities:


HEALTH RISKS



USES



GEMOLOGY



HISTORICAL DATA


Year of Discovery:

Name Origin:


SYNONYMS



CLASSIFICATION


IMA Status:

Strunz 9th ed.:

Kostov:

 

REFERENCES



(IMA/CNMNC, (2009),
Nickel-Nichols,
Materials Data, Inc.,):