Hyalite
| ID | 552 | |
|---|---|---|
| Mineral | Hyalite | |
| Location | Valeč - Karlovy Vary - Czech Republic | |
| Fluorescence | LW-UV: close SW-UV: close |
|
| Mindat.org |
View Hyalite information at mindat.org |
|
Mindat data
| ID | 32188 |
|---|---|
| Long ID | 1:1:32188:4 |
| IMA Status |
0 1 |
| Variety of | 1959 |
| Entry type | 2 |
| Description | A colourless variety of Opal-AN, an amorphous silica-glass containing about 3-8% water. Because it has a different structure, it does not show the opalescence (play of color) that is found in precious opal. Hyalite occurs as globular and botryoi... |
| Other Occurrences | Volcanic vugs, pegmatite pockets, fumaroles. |
| Diapheny | Transparent,Translucent |
| Tenacity | brittle |
| Colour | colorless, white, creme-colored, yellow, orange |
| Hardness (min) | 5.5 |
| Hardness (max) | 6.5 |
| About the name | Named from ύαλος ('glass') from its appearance, by A.G.Werner in 1794 |
| Streak | white |
| Cleavage Type | None Observed |
| Fracture type | Conchoidal |
| UV | May show strong green UV fluorescence |
Details
Price: € 15
Dimensions: Not registered
Weight: Not registered
Visibile in overview:
Notes:
| Symbol | Element | |
|---|---|---|
| H | Hydrogen | |
| O | Oxygen | |
| Si | Silicium |