The mineral that can scratch feldspar and can be scratched by garnet is quartz. Quartz has a hardness of 7 on the Mohs scale, making it capable of scratching feldspar, which has a hardness of 6. Meanwhile, garnet has a hardness of around 6.5 to 7.5, allowing it to scratch quartz but not all varieties of garnet will scratch quartz.
The mineral you are describing is likely garnet, specifically a variety like almandine, which is dark red in color. Garnet has a hardness of about 7.5 to 8 on the Mohs scale, allowing it to scratch glass. It exhibits a non-metallic luster and typically shows a conchoidal fracture.
The mineral typically found in many New York State metamorphic rocks that is usually dark red is garnet. Garnet often occurs in various metamorphic environments and is known for its hardness and distinct crystal structure. Its deep red color is attributed to its iron and aluminum content, making it a common indicator mineral in regional metamorphic rocks.
Of a rock, composed entirely or principally of a single mineral.
Hematite and garnet are both important minerals found in metamorphic and igneous rocks. They share a similar crystalline structure, often forming in well-defined shapes, which contributes to their distinctive appearances. Additionally, both minerals can be used as indicators of geological processes and conditions, such as temperature and pressure during rock formation. While they differ in composition—hematite is primarily an iron oxide and garnet is a silicate mineral—they can coexist in certain geological environments.
No it is not
Calderite is a garnet mineral.
GARNET
Garnet.
Yes, garnet is not a magnetic mineral. It does not exhibit any magnetic properties when tested.
Garnet is a mineral most often found in high grade metamorphic rock.
An andradite is a specific mineral of the garnet group.
garnet
A silicate mineral that shares it's oxygen atom with another silica tetrahedron, forming a chain of tetrahedra. Single chain silicates include a group called the pyroxenes.
A garnet is a hard, crystalline mineral. In nature it is usually rough and jagged, but it can be polished for use in jewelry
Garnet is a mineral, of the Al SiO3 community, with other contributions as well. Some times used as a minor gemstone. A cubic mineral, found often enough in metamorphosed rocks such as schist.
The mineral that can scratch feldspar and can be scratched by garnet is quartz. Quartz has a hardness of 7 on the Mohs scale, making it capable of scratching feldspar, which has a hardness of 6. Meanwhile, garnet has a hardness of around 6.5 to 7.5, allowing it to scratch quartz but not all varieties of garnet will scratch quartz.