The fused quartz material used for our Quartz Discs, Quartz Microscope Slides, and Quartz
Cover Slips is a high quality, high purity GE124 quartz.
This quartz material is well documented and used in many microscopy applications.
Fused quartz is an amorphous, glassy material.
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Typical Trace Element Composition (ppm by weight)
Analysis via Direct Reading Spectrometer
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Type
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Al
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As
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B
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Ca
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Cd
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Cr
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Cu
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Fe
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K
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Li
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Mg
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Mn
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Na
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Ni
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P
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Sb
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Ti
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Zr
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*OH
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GE 124
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14
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<0.002
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<0.2
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0.4
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<0.01
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<0.05
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0.05
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0.2
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0.6
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0.6
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0.1
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<0.05
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0.7
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<0.1
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<0.2
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<0.003
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1.1
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0.8
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<5
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Typical Physical Properties
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Density
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2.2 x 103 kg/m3
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Refractive index
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1.4585
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Softening point
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1683°C
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Annealing point
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1215°C
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Strain point
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1120°C
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Hardness
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5.5 - 6.5 Mohs Scale
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Compressive Strength
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1.1 x 109 Pa (160,000 psi)
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Tensil strength
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4.8 x 107 Pa (7000 psi)
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Electrical resistivity
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@350°C: 7 x 107 ohm/cm
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Young's Modulus
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7.2 x 1010 Pa (10.5 x 106 psi)
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Thermal Expansion Coefficient
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5.5 x 10-7 mm/mm.°C
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Thermal Conductivity
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1.4 w/m.°C
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