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This is an excellent and rare specimen of Elpidite from the world renowned location that is Mount Saint Hilaire. The name derives from the Greek word for hope, representing the hope that other interesting minerals would be found at the type locality. This beautiful crystal looks amazing up close and would be a great addition to any new or existing collection.
Name: Elpidite
Specimen Size: Miniature-Sized
Dimensions: 40x30x23 mm / 1.6x1.2x0.9 inches
Weight: 15.2 Grams / 0.5 Ounces
Origin: Mined in Mont Saint-Hilaire, Quebec, Canada
Product Type: Nephrite
Approx Weight (per piece): 3.8ct
Size: 10mm
Shape: Round Cabochon
Color: Forest Green
Clarity: Transparent with good luster
Origin: Canada
Treatment: None
This is a natural 10mm Nephrite round cabochon, with a weight of 3.8ct. This forest green Nephrite is transparent and has not been treated in any way. It is 100% natural.
Polymict Impact Breccia | 209 grams | Lockne Impact Structure, Sweden
$155.00 CAD
Unit price perPolymict Impact Breccia | 209 grams | Lockne Impact Structure, Sweden
$155.00 CAD
Unit price perThis is a must have 209 gram polymict impact breccia from the Lockne Crater located approximately 21 km south of the city of Östersund in northern Sweden. It is amazingly light considering its mass of 132x63x23 mm. Although not a meteorite, impactites are directly linked to them and their impacts and are probably going to be one of the rarest collection items you'll ever own. Impactite is a slag-like glassy object found on the surface of the earth, formed from rock melted by the impact of a meteorite.
The term impactite encompasses shock-metamorphosed target rocks, melts or suevites and mixtures of the two, as well as sedimentary rocks with significant impact-derived components and shocked mineral grains, tektites, anomalous geochemical signatures, etc.
Lockne is a 7.5km-wide impact structure that formed circa 455 Ma when an L-chondritic asteroid impacted mixed sedimentary and crystalline target rocks that were under a shallow epicontinental sea (500m deep) at the time. The feature and its surrounding impactite deposits were covered by Caledonian thrust nappes that also partly folded them.
Erosion has breached much of the overthrust rocks to show the impact site. Impactites include the Loftarstone (graywacke-like arenite with carbonate grains), Lockne Breccia (polymictic but mostly limestone clasts), Resurge deposits, Ynntjämen Breccia (monomictic, matrix-supported with calcareous-argillaceous matrix) and the Tandsbyn Breccia (monomictic crystalline ejecta). This crater has been suggested to be a doublet with the nearby smaller Målingen Crater, 16 km apart.
This gorgeous large slice displays very well. It would be a beautiful addition to any new or existing collection. Comes with a Canagem Collection specimen card.