Museum Collection This specimen is part of the museum collection catalog. Not for Sale.
Riebeckite var. Crocidolite
Transvaal Supergroup, Griqualand, Northern Cape, South Africa
|
![Riebeckite var. Crocidolite](/Files/Minerals/RiebeckitevarCrocidolite_1209_0_lg.jpg)
Open Full Screen
|
|
|
Facebook Login
Log in With Facebook
Add to Favorites
|
Classification |
Mineral |
Tags |
Toxic Fragile Type Locality
|
Origin Location |
Transvaal Supergroup, Griqualand, Northern Cape, South Africa |
Description |
A fine old collection example of the rare asbestiform mineral riebeckite, also referred to as crocidolite, which is a blue form of the popular gemstone tiger's eye, from its famous occurrence in the Transvaal in South Africa. |
Luster |
Silky |
Luster (Groundmass) |
Dull |
Optical Phenomena |
Chatoyant |
Mineral Group / Note |
Fibrous Asbestiform |
Handling |
Hazardous- Sheds Asbestos Fibers - Wear Gloves/Dust Mask |
Modifications |
No modifications. |
Size Group |
Small Cabinet |
Weight |
Not weighed precisely yet, please inquire. |
Dimensions |
Not measured precisely yet, please inquire. |
Quantity |
1 Specimen |
Mineral List |
Riebeckite: [box]Na2(Fe2+3Fe3+2)Si8O22(OH)2 disodium iron iron octasilicon oxygen hydroxide *
|
|
Specimen Analysis |
Color Table
Colors found in this specimen image are shown below. Higher number indicates greater concentration of that color.
|
Similarly Colored Minerals:
Minerals with similar color profiles are shown below.
How it Works
Beryl var. Aquamarine / Quartz![Beryl var. Aquamarine / Quartz](/Files/Minerals/BerylvarAquamarineQuartz_903_6_sm.jpg) Microcline var. Amazonite w/ Smoky Quartz![Microcline var. Amazonite w/ Smoky Quartz](/Files/Minerals/MicroclinevarAmazonitewSmokyQuartz_864_sm.jpg) Beryl var. Aquamarine / Quartz![Beryl var. Aquamarine / Quartz](/Files/Minerals/BerylvarAquamarineQuartz_903_3_sm.jpg) Topaz var. Imperial![Topaz var. Imperial](/Files/Minerals/TopazvarImperial_374_sm.jpg) Quartz / Pyrolusite / Goethite![Quartz / Pyrolusite / Goethite](/Files/Minerals/QuartzPyrolusiteGoethite_1457_0_sm.jpg) Beryl var. Aquamarine/Schorl/Feldspar![Beryl var. Aquamarine/Schorl/Feldspar](/Files/Minerals/BerylvarAquamarineSchorlFeldspar_399_sm.jpg) |
Elements in this Specimen:
Elements that are part of the official chemical structure of the minerals occurring in this specimen are indicated below.
How it Works
Element List:
|
Minerals with Similar Chemistry:
Minerals that are similar in terms of their chemical makeup are shown below.
How it Works
This Mineral Formula Similar Mineral Formula
Na Fe Si O H Na Ca Fe Si O H
Na Fe Si O H Na Mg Fe Si O H
Na Fe Si O H Na Mn Fe Si O H
Na Fe Si O H Na Fe Al Si O H
Na Fe Si O H Na Fe Al Si O H
Na Fe Si O H Na Fe Al Si O H
Na Fe Si O H Na Fe Ti Si O H
Na Fe Si O H Na Fe Mn Si O H
Na Fe Si O H Na Fe Si Al O H
Na Fe Si O H Na Fe Li Si O H
Na Fe Si O H Na Fe Si Al O H
Na Fe Si O H Na K Fe Si O H
Na Fe Si O H Na Fe Al Si O H
Na Fe Si O H Na Li Fe Si O H
Na Fe Si O H Na Mg Fe Si O H
Na Fe Si O H K Na Fe Si O H
Na Fe Si O H Na Li Fe Si O H
Na Fe Si O H Na Fe Si Al O H
|
Mineral Group:
Search the catalog for minerals that share the same group as this specimen:
How it Works
Structural Group(s):
Fleischers Group(s): amphibole-group 4 Na
|
Tools |
Edit Specimen Search Wikipedia: Riebeckite (Wiki) Search Mindat: Riebeckite Search Web Mineral DB: Riebeckite Search for Handbook of Mineralogy: Riebeckite Search Wikipedia: Crocidolite (Wiki) Search Mindat: Crocidolite Search Web Mineral DB: Crocidolite Search for Handbook of Mineralogy: Crocidolite
|
|