gemstone_db.clj

(def gemstone-db {
    :ruby {
      :name "Ruby"
      :stock 120
      :sales [1990 3644 6376 4918 7882 6747 7495 8573 5097 1712]
      :properties {
        :dispersion 0.018
        :hardness 9.0
        :refractive-index [1.77 1.78]
        :color "Red"
      }
    }
   :diamond {
      :name "Diamond"
      :stock 10
      :sales [8295 329 5960 6118 4189 3436 9833 8870 9700 7182 7061 1579]
      :properties {
        :dispersion 0.044
        :hardness 10
        :refractive-index [2.417 2.419]
        :color "Typically yellow, brown or gray to colorless"
      }
    }
    :moissanite {
      :name "Moissanite"
      :stock 45
      :sales [7761 3220]
      :properties {
        :dispersion 0.104
        :hardness 9.5
        :refractive-index [2.65 2.69]
        :color "Colorless, green, yellow"
      }
    }
  }
)