An actual leaf is covered with liquid metal that burns off the membrane of the leaf, but leaves the skeleton of the leaf intact and then ...
This fossil is amazing. The color and condition are spectacular, as is the patterns in the specimen.
Apple Green Calcite. Each piece is approx. 2"" x 2"" x 1"". Calcite is truly one of the best collection type minerals.
Location: Angola 1, Sibindi, Cercle Nioro Do Sahel, Kayes Region, Mali
A. Lincoln Sherk MD collected 11/12/1939
Gypsum forms concretions of selenite blades called desert roses or sand roses, growing in sediments that are subjected to concentrated brines.
Gypsum forms concretions of selenite blades called desert roses or sand roses, growing in sediments that are subjected to concentrated brines.
Gypsum is a soft mineral, hydrous calcium sulfate. Gypsum is the standard for hardness degree 2 on the Mohs mineral hardness scale.
This is a nice little piece of clear Gypsum, also known as Selenite.
This piece has a great color contrast and looks great! There is very light, unnoticeable damage to some of the crystals.
If you look at this very nice hematite, you will see my hand and camera reflected. That is how shiney this hematite is.
