erie Mineral Data

General erie Information

Locality:

Link to MinDat.org Location Data.

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Images:

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erie Crystallography

Axial Ratios:

a:b:c =0.7572:1:1.4784

Axial Ratios:

a:b:c =0.7716:1:0.5042

Axial Ratios:

a:b:c =0.8581:1:1.0911

Axial Ratios:

a:b:c =0.8603:1:0.4186

Axial Ratios:

a:b:c =0.9271:1:0.869

Axial Ratios:

a:b:c =0.979:1:1.0862

Axial Ratios:

a:b:c =1.0048:1:0.5642

Axial Ratios:

a:b:c =1.5979:1:3.1621

Axial Ratios:

a:b:c =1.6191:1:3.2765

Axial Ratios:

a:b:c =1.9259:1:1.1219

Axial Ratios:

a:b:c =2.9618:1:0.7795

Axial Ratios:

a:b:c =3.0091:1:0.7966

Cell Dimensions:

a = 10.88, b = 14.1, c = 7.11, Z = 8; V = 1,090.73 Den(Calc)= 4.10

Cell Dimensions:

a = 12.48, b = 6.48, c = 7.27, Z = 4; beta = 80.5° V = 579.86 Den(Calc)= 4.36

Cell Dimensions:

a = 17.06, b = 5.76, c = 4.49, Z = 2; beta = 91.067° V = 441.14 Den(Calc)= 3.95

Cell Dimensions:

a = 17.405, b = 5.784, c = 4.608, Z = 2; beta = 92° V = 463.61 Den(Calc)= 4.88

Cell Dimensions:

a = 4.446, b = 5.871, c = 8.68, Z = 1; alpha = 103.9°, beta = 90.3°, gamma = 93.2° V = 219.59 Den(Calc)= 4.35

Cell Dimensions:

a = 5.3834, b = 6.2736, c = 6.8454, Z = 1; alpha = 86.169°, beta = 91.681°, gamma = 92.425° V = 230.37 Den(Calc)= 4.43

Cell Dimensions:

a = 5.445, b = 5.873, c = 5.104, Z = 1; alpha = 115°, beta = 93°, gamma = 92° V = 147.63 Den(Calc)= 4.28

Cell Dimensions:

a = 6.12, b = 6.251, c = 6.79, Z = 1; alpha = 92.93°, beta = 111.3°, gamma = 107.47° V = 230.55 Den(Calc)= 4.91

Cell Dimensions:

a = 9.097, b = 5.693, c = 18.002, Z = 4; V = 932.31 Den(Calc)= 3.79

Cell Dimensions:

a = 9.198, b = 10.691, c = 4.476, Z = 2; beta = 92.42° V = 439.76 Den(Calc)= 4.35

Cell Dimensions:

a = 9.31, b = 5.75, c = 18.84, Z = 4; V = 1,008.55 Den(Calc)= 4.09

Cell Dimensions:

a = 9.604, b = 9.558, c = 5.393, Z = 2; beta = 98.45° V = 489.68 Den(Calc)= 3.92

Physical Properties of erie

Cleavage:

None

Cleavage:

None

Cleavage:

None

Cleavage:

None

Cleavage:

None

Cleavage:

None

Cleavage:

{001} Perfect

Cleavage:

{010} Imperfect

Cleavage:

{010} Perfect

Cleavage:

{???} Good

Density:

3.6 - 4.34, Average = 3.97

Density:

3.74

Density:

3.92

Density:

4 - 4.16, Average = 4.08

Density:

4.1

Density:

4.16

Density:

4.19 - 4.4, Average = 4.29

Density:

4.2

Density:

4.35

Density:

4.64

Diaphaniety:

Subtranslucent

Diaphaniety:

Subtransparent to translucent

Diaphaniety:

Translucent

Diaphaniety:

Translucent

Diaphaniety:

Translucent

Diaphaniety:

Translucent to Opaque

Diaphaniety:

Transparent

Diaphaniety:

Transparent

Diaphaniety:

Transparent

Diaphaniety:

Transparent

Diaphaniety:

Transparent to Translucent

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Fracture:

Brittle - Irregular - Very brittle fracture producing irregular fragments

Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Fracture:

Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.

Fracture:

Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.

Habit:

Aggregates - Made of numerous individual crystals or clusters.

Habit:

Botryoidal - "Grape-like" rounded forms (e.g.. malachite).

Habit:

Encrustations - Forms crust-like aggregates on matrix.

Habit:

Encrustations - Forms crust-like aggregates on matrix.

Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Habit:

Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)

Habit:

Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)

Habit:

Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)

Habit:

Reniform - "Kidney like" in shape (e.g.. hematite).

Habit:

Rosette - Bundled tabular aggregates resembling rose flower petals.

Habit:

Spherical - Spherical, rounded aggregates.

Habit:

Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite).

Habit:

Tabular - Form dimensions are thin in one direction.

Hardness:

2.5-3 - Finger Nail-Calcite

Hardness:

3 - Calcite

Hardness:

3-3.5 - Calcite-Copper Penny

Hardness:

3.5 - Copper Penny

Hardness:

4 - Fluorite

Hardness:

4 - Fluorite

Hardness:

4-5 - Fluorite-Apatite

Hardness:

4-5 - Fluorite-Apatite

Hardness:

4.5 - Between Fluorite and Apatite

Hardness:

5 - Apatite

Hardness:

5-6 - Between Apatite and Orthoclase

Luminescence:

Non-fluorescent.

Luster:

Adamantine

Luster:

Adamantine

Luster:

Earthy (Dull)

Luster:

Vitreous (Glassy)

Luster:

Vitreous (Glassy)

Luster:

Vitreous (Glassy)

Luster:

Vitreous (Glassy)

Luster:

Vitreous (Glassy)

Luster:

Vitreous - Greasy

Luster:

Vitreous - Pearly

Streak:

apple green

Streak:

blue

Streak:

bluish green

Streak:

bluish green

Streak:

bluish white

Streak:

greenish blue

Streak:

greenish white

Streak:

light green

Streak:

light yellow

Streak:

orange

Optical Properties of erie

Optical Data:

Biaxial (+), a=1.812, b=1.815, g=1.85, bire=0.0380, 2V(Calc)=34, 2V(Meas)=30-50.

Biaxial (+/-), a=1.74, b=1.75, g=1.76, bire=0.0200

Biaxial (+/-), a=1.786, g=1.84, bire=0.0540

Biaxial (-), a=1.73, b=1.87, g=1.91, bire=0.1800, 2V(Calc)=52, 2V(Meas)=30. Dispersion relatively strong.

Biaxial (-), a=1.76, b=1.8, g=1.83, bire=0.0700, 2V(Calc)=80, 2V(Meas)=77. Dispersion r > v.

Biaxial (-), a=1.765, b=1.81, g=1.82, bire=0.0550, 2V(Calc)=48, 2V(Meas)=33.

Biaxial (-), a=1.782, b=1.833, g=1.867, bire=0.0850, 2V(Calc)=76, 2V(Meas)=76.3.

Biaxial (-), a=1.787, b=1.81, g=1.816, bire=0.0290, 2V(Calc)=52, 2V(Meas)=53.433.

Biaxial (-), a=1.791, b=1.856, g=1.867, bire=0.0760, 2V(Calc)=42, 2V(Meas)=48.

Biaxial (-), a=1.803, g=1.81, bire=0.0070

Biaxial (-), a=2, b=2.01, g=2.02, bire=0.0200

Pleochroism (x):

brown.

Pleochroism (y):

brown.

Pleochroism (z):

green.

Other erie Information

References:

NAME( AmMin, V85, p263) PHYS. PROP.(AmMin, V 85, p263) OPTIC PROP.(AmMin, V 85, p263)

NAME( AntBidBlaNic4) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(37th List of New Min.,Min. Mag.,19)

NAME( AntBidBlaNic4) PHYS. PROP.(Bull.Miner.,Vol.107-111,1984-1988) OPTIC PROP.(Bull.Miner.,Vol.107-111,1984-1988)

NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.72,p404-408,1987) OPTIC PROP.(Am.Min.,Vol.72,p404-408,1987)

NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.78,p452,1993) OPTIC PROP.(Am.Min.,Vol.78,p452,1993)

NAME( Dana8) PHYS. PROP.(Dana8, CanMin 42:731) OPTIC PROP.(Dana8)

NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)

See Also:

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