This is a beautiful tribute to your grandmother. I never knew my grandparents as they mostly passed away before I was born. I only knew one grandmother, but due to the language barrier it was difficult to communicate, but we managed. But your story does bring back similar strong memories of my last week with my father, it is good to feel those again, they keep coming back to me at strange times, just as your last memories of your grandmother will for you. It is an indescribable feeling...
It is good you managed to say what you wanted to say.