Shimmerstone Specularite Hematite - SOLD 1.776" mpglass John Uri of the NASA

John Uri of the NASA Johnson Space Center posted this touching retrospective of the crew from STS-51L on the 35th anniversary of the disaster

19" in length

458" fossilized Mosasaur tooth

894" fossil Ginkgo cranei leaf from the Sentinel Butte Formation in North Dakota

Shimmerstone Specularite Hematite - SOLD 1.776" mpglass John Uri of the NASAShimmerstone is our name for the incredible look of Specularite Hematite. These knockout minerals are dark black with mica crystal inclusions that mirror light at every angle, giving the stone an incredible shine! This specimen is a polished Shimmerstone Speculraite Hematite piece, measuring 1. 776". You can see an example of the shine in motion in the video (note, the video is a sample Shimmerstone, not this exact item.)