col : material | formula | refractive index(es) 589.3 nm | dispersion 431 - 687 nm | hardness (mohs' scale) | density (g/cm3) | thermal cond. | state of the art row 1 : diamond | c | 2.417 | 0.044 | 10 | 3.52 | excellent | (natural) row 2 : glasses | silica with pb, al, &/or tl | ~ 1.6 | > 0.020 | < 6 | 2.4 - 4.2 | poor | 1700 - row 3 : white sapphire | al2o3 | 1.762 - 1.770 | 0.018 | 9 | 3.97 | poor | 1900-1947 row 4 : spinel | mgo*al2o3 | 1.727 | 0.020 | 8 | ~ 3.6 | poor | 1920-1947 row 5 : rutile | tio2 | 2.62 - 2.9 | 0.33 | ~ 6 | 4.25 | poor | 1947-1955 row 6 : strontium titanate | srtio3 | 2.41 | 0.19 | 5.5 | 5.13 | poor | 1955-1970 row 7 : yag | y3al5o12 | 1.83 | 0.028 | 8.25 | 4.55 - 4.65 | poor | 1970-1975 row 8 : ggg | gd3ga5o12 | 1.97 | 0.045 | 7 | 7.02 | poor | 1973-1975 row 9 : cubic zirconia | zro2(+ rare earths) | ~ 2.2 | ~ 0.06 | ~ 8.3 | ~ 5.7 | poor | 1976 - row 10 : moissanite | sic | 2.648 - 2.691 | 0.104 | 8.5-9.25 | 3.2 | high | 1998 - row 11 : quartz | silica | 1.543 - 1.554 | nan | 7- | 2.50 - 2.65 | nan | ancient
what are all the materials? what are the thermal conductivity values of those materials? of those thermal conductivity values, which is the best?
excellent
Material Formula Refractive index(es) 589.3 nm Dispersion 431 - 687 nm Hardness (Mohs' scale) Density (g/cm3) Thermal Cond. State of the art
of those thermal conductivity values, which is the best?
Diamond C 2.417 0.044 10 3.52 Excellent (Natural)
Glasses Silica with Pb, Al, &/or Tl ~ 1.6 > 0.020 < 6 2.4 - 4.2 Poor 1700 -
White Sapphire Al2O3 1.762 - 1.770 0.018 9 3.97 Poor 1900-1947
Spinel MgO*Al2O3 1.727 0.020 8 ~ 3.6 Poor 1920-1947
Rutile TiO2 2.62 - 2.9 0.33 ~ 6 4.25 Poor 1947-1955
Strontium titanate SrTiO3 2.41 0.19 5.5 5.13 Poor 1955-1970
YAG Y3Al5O12 1.83 0.028 8.25 4.55 - 4.65 Poor 1970-1975
GGG Gd3Ga5O12 1.97 0.045 7 7.02 Poor 1973-1975
Cubic Zirconia ZrO2(+ rare earths) ~ 2.2 ~ 0.06 ~ 8.3 ~ 5.7 Poor 1976 -
Moissanite SiC 2.648 - 2.691 0.104 8.5-9.25 3.2 High 1998 -
Quartz Silica 1.543 - 1.554 nan 7- 2.50 - 2.65 nan Ancient
Excellent
of those thermal conductivity values, which is the best? || what are the thermal conductivity values of those materials? | what are all the materials?