The blue sandstone meaning is all about success. This blue crystal is known as a good luck charm that helps manifest your goals and dreams into reality. It's also said to be a stone of ambition and confidence. So, if you're working hard to achieve something, keep this stone close by for extra motivation. This semi Diamond shaped piece of Blue Sandstone is set on a Silver mount with a little Crystal set Heart and measures 2.5cm x 1.5cm approx. It is suspended from a 19 inch 925 Silver chain. Blue sandstone is an alternative birthstone for those who are born in January. Aside from that, it is also beneficial for those who are born under the astrological sign Sagittarius.