Page 273 - (DK) The Ultimate Visual Dictionary 2nd Ed.
P. 273

MINERAL FEATURES

        HABIT                                                STREAK
                                                             COLOR OF MINERAL           COLOR OF STREAK
                    Kunzite with
                    prismatic habit                              Yellow                           Golden-
                                                                orpiment                          yellow
                             Silver with
                             twisted wire                        Brown
                             habit                             haematite                          Red-
                                                                                                  brown
                                     TWISTED WIRE HABIT       Red-brown
                                                                 crocoite                         Yellow

                                                                  Gold                            Black
                                                             chalcopyrite
         PRISMATIC HABIT
                                                               Black-red                          Red
                                                               cinnabar
                               Wollastonite with
                               fibrous habit                      Silver                           Gray
                                                              molybdenite
                   Haematite with
                   tabular habit
                   (flattened structure)
                                                                  COLOR
                                                                         Rose-colored
                                                                         crystal of rose
        TABULAR HABIT
                                                                         quartz


                                      FIBROUS HABIT
                                                                ROSE, PINK
                                                                           Translucent
                                                                           white-gray
                                   Chalcedony with                         crystal of
                                   botryoidal habit                        milky quartz  WHITE-GRAY
                                   (like a bunch
                                   of grapes)
                                                                              Translucent
                                                                              crystal of orange
                                                                              citrine
                              Carnallite                                       Transparent
                              with massive                                     glassy crystal
                              habit (no                                        of rock crystal
                              definite shape)
            BOTRYOIDAL HABIT            MASSIVE HABIT               ORANGE              BEIGE, TRANSPARENT



        MOHS SCALE OF HARDNESS












         TALC    GYPSUM     CALCITE    FLUORITE   APATITE   ORTHOCLASE   QUARTZ   TOPAZ   CORUNDUM   DIAMOND
          1         2          3          4         5          6         7        8       9         10



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