BETA

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  1. Imperial

    ... common non-carbonate accessory minerals are mica s ( phlogopite , muscovite ?) and acicular minerals (sillimanite?) that ... The most common non-carbonate accessory minerals are micas (phlogopite, muscovite?) that occur in small aggregates (< 1 mm length) or as ...

    Ed FitzGerald - 2015-09-05

  2. Olympian White

    ... grains. Other minerals such as mica s ( muscovite , phlogopite ?) and opaques are present only in trace amounts. All non-carbonate ... Other minerals are relatively rare, micas (muscovite, phlogopite?) form aggregates in small bands ~.2 mm wide and generally under 2 ...

    Ed FitzGerald - 2015-09-05

  3. Mountain White

    ... smaller. Platy minerals, likely muscovite or phlogopite , are also common and occur individually and in aggregates with ... quartz, amphibole s (richterite?), mica s (muscovite, phlogopite and others?), sillimanite, opaques, sphene, and possibly brucite and ...

    Ed FitzGerald - 2015-09-05

  4. Crystal Stratus

    ... quartz , feldspar s ( albite twinning ), mica s ( phlogopite , muscovite ?), amphibole s, sillimanite, vesuvianite ?, ... include quartz, feldspars (albite twinning), micas (phlogopite, muscovite?), sillimanite, vesuvianite?, opaques, sphene, and ...

    Ed FitzGerald - 2015-09-05

  5. Eureka

    ... was observable. Rare aggregates of mica , likely phlogopite or muscovite are present, sometimes in association with ... minerals are also certainly present. Mica species (phlogopite, muscovite?) are also present in these aggregates. Outside of these ...

    Ed FitzGerald - 2015-09-05

  6. Appalacian Green

    ... s (richterite, tremolite?), mica s ( muscovite , phlogopite and others?), sillimanite, opaques, isotropic minerals ... Other minerals are relatively rare, micas (muscovite, phlogopite?) and acicular sillimanite form aggregates in small bands. An ...

    Ed FitzGerald - 2015-09-05

  7. Montclair

    ... feldspar ( albite twinning ), mica s ( muscovite , phlogopite and others?), sillimanite, opaques, sphene , and unidentified ... non-carbonate accessory minerals include micas (muscovite, phlogopite?), sillimanite, sphene, opaques, and low birefringence minerals that ...

    Ed FitzGerald - 2015-09-05

  8. Danby Gray

    ... These always occurred in clusters with mica ( phlogopite , muscovite ?) minerals. Quartz/feldspar in these aggregates was ... was observable. These always occurred in clusters with mica (phlogopite, muscovite?) minerals. Quartz/feldspar in these aggregates was very ...

    Ed FitzGerald - 2015-09-05

  9. Royal Danby

    ... crystals. There is a local aggregate of foliated mica ( phlogopite , muscovite ?) occurring discontinuously over a region about 5 ... are extremely rare. Several lath s of a likely mica (phlogopite, muscovite?) were present in a localized portion of the slide with ...

    Raven Mueller - 2015-09-05