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Title: Stilbite
Medium: Digital Photography
Photographer: Aaron J. Greenblatt
Camera Type: Panasonic DMC-LZ7 Lumix 7.2 MP
Editing: Edited in PhotoShop 7.0 for color accuracy, size, and to apply copyright and border.
Location: Photograph taken at the 2008 Southeastern Michigan Gem and Mineral Show at the Southgate Civic Center in Southgate, Michigan. Show hosted by the Midwest Mineralogical & Lapidary Society.
Description: Laying on a black table cloth at a dealer's table at the show was this 6-inch-tall spray of stilbite crystals from Nesik, India. It was selling for $30. This piece reminds me of what Superman's white, crystalline, home world of Krypton looked like when it exploded. Which is to say that I think that this is a pretty neat specimen.
About Stilbite: Stilbite is a tectosilicate mineral - one of several in the zeolite group. It is a hydrated calcium aluminum silicate. Usually a small proportion of the calcium is replaced by sodium. The hardness of stilbite is 3.5 - 4 and the specific gravity is 2.2. Stilbite crystals are monoclinic, and are commonly twinned. The color is usually white, but sometimes can be red. Stilbite has perfect cleavage (parallel to the plane of symmetry) and its luster is markedly pearly - hence the name "stilbite", which comes from the Greek language and means "to shine".
Stilbite occurs with other zeolites in the cavities of basaltic volcanic rocks. It also sometimes can be found in granite and gneiss. Exceptional stilbite crystals have also been discovered in hydrothermal veins.
Information Source: [link] (wiki - Stilbite)
Legal: Copyright © Aaron J. Greenblatt. All rights reserved. Commercial use prohibited. This image and commentary may not be used for any reason without expressed written consent.
Please click here to view my photography work located in my Gallery.
Please click here for images of my glass work located in my other Gallery.
Please click here for images of my glass studio located in my other Scraps.
Title: Stilbite
Medium: Digital Photography
Photographer: Aaron J. Greenblatt
Camera Type: Panasonic DMC-LZ7 Lumix 7.2 MP
Editing: Edited in PhotoShop 7.0 for color accuracy, size, and to apply copyright and border.
Location: Photograph taken at the 2008 Southeastern Michigan Gem and Mineral Show at the Southgate Civic Center in Southgate, Michigan. Show hosted by the Midwest Mineralogical & Lapidary Society.
Description: Laying on a black table cloth at a dealer's table at the show was this 6-inch-tall spray of stilbite crystals from Nesik, India. It was selling for $30. This piece reminds me of what Superman's white, crystalline, home world of Krypton looked like when it exploded. Which is to say that I think that this is a pretty neat specimen.
About Stilbite: Stilbite is a tectosilicate mineral - one of several in the zeolite group. It is a hydrated calcium aluminum silicate. Usually a small proportion of the calcium is replaced by sodium. The hardness of stilbite is 3.5 - 4 and the specific gravity is 2.2. Stilbite crystals are monoclinic, and are commonly twinned. The color is usually white, but sometimes can be red. Stilbite has perfect cleavage (parallel to the plane of symmetry) and its luster is markedly pearly - hence the name "stilbite", which comes from the Greek language and means "to shine".
Stilbite occurs with other zeolites in the cavities of basaltic volcanic rocks. It also sometimes can be found in granite and gneiss. Exceptional stilbite crystals have also been discovered in hydrothermal veins.
Information Source: [link] (wiki - Stilbite)
Legal: Copyright © Aaron J. Greenblatt. All rights reserved. Commercial use prohibited. This image and commentary may not be used for any reason without expressed written consent.
Please click here to view my photography work located in my Gallery.
Please click here for images of my glass work located in my other Gallery.
Please click here for images of my glass studio located in my other Scraps.
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Comments22
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I'm pretty certain that's not stilbite, even if the dealer claims it is. First time I've seen a spray of "stilbite" from a central point, and not as a bowtie aggregate or individual bladed crystals. Still looks pretty though!