TheJapanBlade
THE PHOTOS BELOW SHOW A SELECTION OF
NAKAYAMA AWASAE TOISHI MINED IN THE
MOUNTAINS ABOVE KYOTO IN THE 1930s. YOU
CAN SEE THAT THEY CAME IN MANY COLORS.
A PROGRESSION OF MINERALS BOUND UP IN THE BINDER MAY
RUN FROM STONE TO STONE AND BE DISPLAYED AS A COLOR
SCHEME. THESE MINERAL ARE INDEPENDENT OF THE GRIT OR
CUTTING AGENTS INHERENT TO THE STONE BUT CAN BE
INDICATIVE OF THE HARDNESS OR SOFTNESS OF THE STONE.
BELOW IS A PHOTO OF THE BACKS OF THE ABOVE TOISHI.
THE KIITA OR YELLOW COLOR STONES WILL SOMETIMES HAVE A PATTERN
CALLED NASHI-JI IN FOR FORM OF SPOTS. ON LIGHT COLORED STONE THE
SPOTS CAN BE DARKER, ON DARKER COLORED STONES THE SPOTS CAN BE
LIGHTER IN THE CENTER SHOWS A STRONG BLUSH OF NASHI-JI.
A CLOSE UP PHOTO OF AN EXAMPLE
OF THE NASHI-JI PATTERN
BELOW YOU CAN SEE A NATURAL CIRCULAR
FORMATION IN THE STRATA LAYERS FROM THE
HONKUCHI NARI FROM WHICH THE NAKAYAMA
MINE IS A PART OF. 本口成り