Indicolite and Albite
| ID | 596 | |
|---|---|---|
| Mineral |
Indicolite
Albite |
|
| Location | Gilgit-Baltistan - Pakistan | |
| Fluorescence | LW-UV: close SW-UV: close |
|
| Mindat.org |
View Indicolite information at mindat.org View Albite information at mindat.org |
|
Mindat data
| ID | 2027 |
|---|---|
| Long ID | 1:1:2027:1 |
| About the name | Derived from the Latin “indicum,” meaning “indigo” or “blue,” and the Greek “lithos,” meaning “stone.” As the name suggests, indicolite is characterized by its varying shades of blue, ranging from pale blue to deep blue-green. |
| key_elements |
0 |
| ID | 96 |
|---|---|
| Long ID | 1:1:96:9 |
| Formula |
Na(AlSi3O8)
|
| IMA Status |
0 1 |
| Description | One of the most common members of the Feldspar group. Low- and high-temperature structural modifications exist ('low albite' and 'high albite'), with ordered and disordered Al-Si distribution, respectively. The Na-rich end member of the Albite-An... |
| Other Occurrences | A major constituent of granites and granite pegmatites, alkalic diorites, basalts, and in hydrothermal and alpine veins. A product of potassium metasomatism and in low-temperature and low-pressure metamorphic facies and in some schists. Detrital and authigenic in sedimentary rocks. |
| Discovery Year | 1815 |
| Diapheny | Transparent,Translucent,Opaque |
| Cleavage | on [001], good on [010], imperfect on {110} |
| Tenacity | brittle |
| Colour | White to gray or colorless, uncommonly blue tinted or rarely green or red tinted, while much included albite may be strongly colored |
| Hardness (min) | 6.0 |
| Hardness (max) | 6.5 |
| Lustre | Vitreous, pearly |
| About the name | Named in 1815 by Johan Gottlieb Gahn and Jöns Jacob Berzelius from Latin "albus", white, alluding to its usual color. |
| Streak | White |
| Crystal System | Triclinic |
| Cleavage Type | Perfect |
| Fracture type | Irregular/Uneven,Conchoidal |
| Morphology |
Crystals commonly tabular parallel |
| Twinning |
Common around |
| Comment Luster | Pearly on cleavages |
| shortcode_ima | Ab |
| Group | Plagioclase |
Details
Price: € 140
Dimensions: Not registered
Weight: Not registered
Visibile in overview:
Notes:
| Symbol | Element | |
|---|---|---|
| Al | Aluminium | |
| B | Boron | |
| Na | Sodium | |
| O | Oxygen | |
| Si | Silicium |