結晶構造の種類 - TOML

[[items]]
code = "1"
slug = "cubic"
name = "立方晶系"
description = "最も対称性が高い結晶系で、3つの等しい軸が互いに直角をなす構造です。"
axialAngles = "α = β = γ = 90°"
bravaisLattices = "[\"cP\",\"cI\",\"cF\"]"
examples = "[\"食塩（NaCl）\",\"ダイヤモンド\",\"金\",\"銅\",\"鉄\",\"蛍石\",\"黄鉄鉱\"]"
latticeParameters = "a = b = c"
symmetry = "highest"

[[items]]
code = "2"
slug = "hexagonal"
name = "六方晶系"
description = "6重対称軸を持つ結晶系で、底面が60度の菱形をなす構造です。"
axialAngles = "α = β = 90°, γ = 120°"
bravaisLattices = "[\"hP\"]"
examples = "[\"黒鉛\",\"亜鉛\",\"ベリル\",\"燐灰石\",\"磁鉄鉱\"]"
latticeParameters = "a = b ≠ c"
symmetry = "high"

[[items]]
code = "3"
slug = "tetragonal"
name = "正方晶系"
description = "4重対称軸を持つ結晶系で、底面は正方形で高さが異なる構造です。"
axialAngles = "α = β = γ = 90°"
bravaisLattices = "[\"tP\",\"tI\"]"
examples = "[\"ジルコン\",\"ルチル（TiO₂）\",\"錫（β-錫）\"]"
latticeParameters = "a = b ≠ c"
symmetry = "high"

[[items]]
code = "4"
slug = "trigonal"
name = "三方晶系"
description = "3重対称軸を持つ結晶系で、菱面体形状の単位胞を持つ構造です。"
axialAngles = "α = β = γ ≠ 90°"
bravaisLattices = "[\"hR\"]"
examples = "[\"石英\",\"方解石\",\"コランダム（ルビー、サファイア）\",\"電気石\"]"
latticeParameters = "a = b = c"
symmetry = "high"

[[items]]
code = "5"
slug = "orthorhombic"
name = "斜方晶系"
description = "3つの軸が互いに直角をなすが、長さが異なる結晶系です。"
axialAngles = "α = β = γ = 90°"
bravaisLattices = "[\"oP\",\"oC\",\"oI\",\"oF\"]"
examples = "[\"黄玉\",\"硫黄\",\"オリビン\",\"霰石\",\"バライト\"]"
latticeParameters = "a ≠ b ≠ c"
symmetry = "medium"

[[items]]
code = "6"
slug = "monoclinic"
name = "単斜晶系"
description = "1つの軸が他の2軸に対して斜めに交わる結晶系です。"
axialAngles = "α = γ = 90°, β ≠ 90°"
bravaisLattices = "[\"mP\",\"mC\"]"
examples = "[\"石膏\",\"輝石\",\"正長石\",\"雲母\",\"アズライト\"]"
latticeParameters = "a ≠ b ≠ c"
symmetry = "low"

[[items]]
code = "7"
slug = "triclinic"
name = "三斜晶系"
description = "最も対称性が低い結晶系で、3つの軸が互いに異なる角度で交わる構造です。"
axialAngles = "α ≠ β ≠ γ ≠ 90°"
bravaisLattices = "[\"aP\"]"
examples = "[\"藍晶石\",\"微斜長石\",\"曹長石\",\"ターコイズ\"]"
latticeParameters = "a ≠ b ≠ c"
symmetry = "lowest"