Agate
| ID | 146 | |
|---|---|---|
| Mineral | Agate | |
| Location | Chihuahua - Mexico | |
| Fluorescence | LW-UV: close SW-UV: close |
|
| Mindat.org |
View Agate information at mindat.org |
|
Mindat data
| ID | 51 |
|---|---|
| Long ID | 1:1:51:8 |
| IMA Status |
0 1 |
| Variety of | 960 |
| Entry type | 2 |
| Description | A distinctly banded fibrous chalcedony. Originally reported from Dirillo river (Achates river), Acate, Ragusa Province, Sicily, Italy. The banding in agate is based on periodic changes in the translucency of the agate substance. Layers appear darker... |
| Other Occurrences | Very common. Outlining cavities in acidic and intermediate volcanic rocks. Cavities in epithermal chalcedonic veins. Less common in cavities of sedimentary and plutonic rocks. |
| Diapheny | Translucent |
| Tenacity | brittle |
| Colour | colorless, gray, red, white, any color due to embedded minerals, multicolored specimen not uncommon |
| Hardness (min) | 6.5 |
| Hardness (max) | 7.0 |
| About the name | The name is derived from its occurrence at the Achates River in southwestern Sicily. |
| Streak | white |
| Cleavage Type | None Observed |
| Fracture type | Conchoidal,Sub-Conchoidal |
| Comment Luster | vitreous when polished |
Details
Price: € 5
Dimensions: Not registered
Weight: Not registered
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