General ies} Information Locality: |
Link to MinDat.org Location Data. |
| | Search for ies} Images
Images:
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| | ies} Crystallography Axial Ratios: |
a:b:c =0.4507:1:0.8289 |
Axial Ratios: |
a:b:c =0.4713:1:0.4042 |
Axial Ratios: |
a:b:c =0.4721:1:0.4054 |
Axial Ratios: |
a:b:c =0.4724:1:0.4025 |
Axial Ratios: |
a:b:c =0.7284:1:0.408 |
Axial Ratios: |
a:b:c =0.91:1:0.4546 |
Cell Dimensions: |
a = 11.03, b = 12.12, c = 5.51, Z = 2; beta = 114.083° V = 672.48 Den(Calc)= 3.94 |
Cell Dimensions: |
a = 5.25, b = 11.647, c = 9.655, Z = 2; beta = 95.94° V = 587.20 Den(Calc)= 2.79 |
Cell Dimensions: |
a = 5.67, b = 12.01, c = 4.869, Z = 2; V = 331.56 Den(Calc)= 4.42 |
Cell Dimensions: |
a = 5.67, b = 12.03, c = 4.863, Z = 2; V = 331.71 Den(Calc)= 4.57 |
Cell Dimensions: |
a = 5.726, b = 12.12, c = 4.879, Z = 2; V = 338.60 Den(Calc)= 4.50 |
Cell Dimensions: |
a = 9.55, b = 13.11, c = 5.35, Z = 4; V = 669.82 Den(Calc)= 3.69 |
| Physical Properties of ies} Cleavage: |
None |
Cleavage: |
None |
Cleavage: |
None |
Cleavage: |
None |
Cleavage: |
None |
Cleavage: |
{???} Good |
Density: |
3.78 |
Density: |
3.83 |
Density: |
4.15 |
Density: |
4.45 |
Density: |
4.49 |
Diaphaniety: |
Subtranslucent |
Diaphaniety: |
Subtranslucent |
Diaphaniety: |
Subtranslucent |
Diaphaniety: |
Translucent |
Diaphaniety: |
Transparent |
Diaphaniety: |
Transparent |
Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
Fracture: |
Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments. |
Fracture: |
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. |
Habit: |
Aggregates - Made of numerous individual crystals or clusters. |
Habit: |
Anhedral Grains - Granular minerals without the expression of crystal shapes |
Habit: |
Inclusions - Generally found as inclusions in other minerals. |
Habit: |
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). |
Habit: |
Selvage - As a reaction rim, surrounding the host mineral. |
Habit: |
Tabular - Form dimensions are thin in one direction. |
Habit: |
Twinning Common - Crystals are usually twinned. |
Habit: |
Twinning Common - Crystals are usually twinned. |
Hardness: |
3-4 - Calcite-Fluorite |
Hardness: |
3-4 - Calcite-Fluorite |
Hardness: |
4 - Fluorite |
Hardness: |
4.5 - Between Fluorite and Apatite |
Hardness: |
4.5 - Between Fluorite and Apatite |
Luster: |
Pearly |
Luster: |
Vitreous (Glassy) |
Luster: |
Vitreous - Dull |
Luster: |
Vitreous - Greasy |
Luster: |
Vitreous - Greasy |
Luster: |
Vitreous - Greasy |
Streak: |
brownish white |
Streak: |
light brown |
Streak: |
light brown |
Streak: |
white |
| Optical Properties of ies} Optical Data: |
Biaxial (+), a=1.766, b=1.773, g=1.788, bire=0.0220, 2V(Calc)=70, 2V(Meas)=69. Dispersion r > v slight. |
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Biaxial (+), a=1.774, b=1.782, g=1.798, bire=0.0240, 2V(Calc)=72, 2V(Meas)=69. Dispersion r < v weak. |
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Biaxial (+), a=1.777, b=1.788, g=1.8, bire=0.0230 |
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Biaxial (+), a=1.783, b=1.801, g=1.834, bire=0.0510 |
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Biaxial (-), a=1.5945, b=1.6069, g=1.6088, bire=0.0143, 2V(Calc)=42, 2V(Meas)=45.6. Dispersion r > v strong. |
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Biaxial (-), a=1.755, b=1.772, g=1.774, bire=0.0190, 2V(Calc)=36, 2V(Meas)=0. |
Pleochroism (x): |
colorless or orange-yellow. |
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weak. |
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yellow. |
Pleochroism (y): |
reddish brown. |
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weak. |
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yellowish brown or dark brown. |
Pleochroism (z): |
brown. |
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reddish brown or crimson. |
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weak. |
| Other ies} Information References: |
NAME( AmMin, 86:1536) PHYS. PROP.(AmMin, 86:1536) OPTIC PROP.(AmMin, 86:1536) |
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NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
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NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
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NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) |
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PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) |
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PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) |
See Also: |
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