accessory mineral
accompanying mineral

Almandine is a common accessory mineral in many rock types.

It occurs as a rare accessory mineral in some environments.

It is a pale to dark brown accessory mineral in meteorites.

The ratios and constituents of its accessory minerals are variable.

It is a common accessory mineral to less marketable precious metal deposits.

Accessory minerals like pyroxenes provide insight to the history of the magma.

It is an accessory mineral in some tantalum-rich granite pegmatites.

Small amounts of nepheline may be present and apatite is a common accessory mineral.

Zircon is a common accessory mineral that occurs worldwide.

It commonly contains a few percent chromium-rich spinel as an accessory mineral.

Accessory minerals include chromite and an iron-phosphate, which could possibly be graftonite.

Apatite, zircon and magnetite are practically always present as accessory minerals.

Ilmenite is a common accessory mineral found in metamorphic and igneous rocks.

Accessory minerals are associated with those whose presence in the rock are not directly important to the classification of the specimen.

Example: hornblende-phyric andesite, if hornblende is the principal accessory mineral.

Biotite, amphiboles and pyroxenes are common dark accessory minerals.

It occurs as an uncommon accessory mineral in evaporite deposits and salt domes worldwide.

The principal accessory minerals are ilmenite and apatite.

Identifying accessory mineral saturation during differentiation in granitoid magmas: An integrated approach.

If there is not enough material to make XRD mounts save the accessory minerals.

Accessory minerals include copper, silver, lead, zinc, molybdenum, tungsten and bismuth.

Barite and cherty silica are common gangue accessory minerals.

Nickeliferous sulphides and rutile are common accessory minerals.

Other accessory minerals include troilite, whitlockite, and cohenite.

In Maryland, chromite, a significant accessory mineral in the serpentine, was mined until 1860.

The specific composition of the accompanying minerals and the location where the sample was collected-far from any industrial activities-confirm that the discovered quasicrystal is of natural origin.

The site of the dance hall, the only remaining building of the former Pleasure Park, remained unused until it was sold in 1970 to a private owner who renamed the property and the accompanying mineral pools as the 'Garden of Peace', a meditation retreat and de facto community centre.