Rose Quartz and Eosphorite
| ID | 347 | |
|---|---|---|
| Mineral |
Rose Quartz
Eosphorite |
|
| Location | Itinga - Minas Gerais - Brazil | |
| Fluorescence | LW-UV: close SW-UV: close |
|
| Mindat.org |
View Rose Quartz information at mindat.org View Eosphorite information at mindat.org |
|
Mindat data
| ID | 3456 |
|---|---|
| Long ID | 1:1:3456:8 |
| IMA Status |
0 1 |
| Variety of | 3337 |
| Entry type | 2 |
| Description | Two varieties of quartz are commonly called "rose quartz". 1. One is found in translucent masses made of intergrown anhedral crystals. It occurs in different hues of pink, sometimes bluish, sometimes more reddish; irradiation may cause the formatio... |
| Colour | Pink |
| Hardness (min) | 7.0 |
| Hardness (max) | 7.0 |
| Lustre | Vitreous |
| Crystal System | Trigonal |
| Thermal Behaviour | Pink quartz (euhedral) pales at about 200°C (Balitsky et al 1998). The color of rose quartz (massive) is stable to about 500°C (Goreva et al. 2001) |
| ID | 1386 |
|---|---|
| Long ID | 1:1:1386:0 |
| Formula |
Mn2+Al(PO4)(OH)2 · H2O
|
| IMA Status |
0 1 |
| Occurrence | Granite Pegmatite |
| Other Occurrences | Secondary mineral in phosphate bearing granitic pegmatites. |
| Discovery Year | 1878 |
| Diapheny | Transparent,Translucent |
| Cleavage | Poor on {100} |
| Tenacity | brittle |
| Colour | Usually pale brown, golden brown, also medium brown to dark brown; occasionally pink, rose-red |
| Hardness (min) | 5.0 |
| Hardness (max) | 5.0 |
| Lustre | Vitreous, Resinous |
| About the name | Named in 1878 by George J. Brush and Edward S. Dana from the Greek έωσφορος for "dawn-bearing," in allusion to the pink colour of the original material. |
| Streak | White |
| Crystal System | Orthorhombic |
| Cleavage Type | Poor/Indistinct |
| Fracture type | Irregular/Uneven,Sub-Conchoidal |
| Morphology | Crystals, commonly short to long prismatic, in planar radial or spherical radiating groups, with wedge-shaped terminations; globular, rarely massive. |
| Twinning | May exhibit twinning on {100} and {001}, observable optically. |
| UV | Not fluorescent in UV |
| Publication Year | 1878 |
| shortcode_ima | Eos |
Details
Price: € 10
Dimensions: Not registered
Weight: 4 g
Visibile in overview:
Notes:
| Symbol | Element | |
|---|---|---|
| Al | Aluminium | |
| H | Hydrogen | |
| Mn | Manganese | |
| O | Oxygen | |
| P | Phosphorus |
|
| Si | Silicium |