Where is Strawberry Quartz found?
Quartz (SiO2) with inclusions of hematite or goethite
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Open the appStrawberry Quartz occurs in specific geological environments. Knowing where to look, and in what kind of rock, is the difference between going home empty-handed and finding a great specimen.
Where to find Strawberry Quartz
Kazakhstan
Known for producing high-quality Strawberry Quartz with distinct red inclusions.
Russia (Karelia)
Historically a source of quartz with hematite inclusions.
Brazil
Various localities produce quartz with iron oxide inclusions, sometimes marketed as Strawberry Quartz.
Mexico
Some deposits yield quartz with red inclusions.
Madagascar
Known for a wide variety of quartz, including some with iron oxide inclusions.
Collecting tips
- Look for Quartz Deposits. Focus on areas known for quartz mineralization, such as pegmatites, hydrothermal veins, and vugs in igneous or metamorphic rocks. The presence of iron-rich host rocks or nearby iron mineralization can increase the likelihood of finding Strawberry Quartz.
- Examine Inclusions. True Strawberry Quartz will have visible, often microscopic, red or pink inclusions within a transparent to translucent quartz matrix. These inclusions are typically hematite (red, metallic sheen) or goethite (brownish-red, earthy). Distinguish from surface staining or external coatings.
- Check for Transparency. The quartz itself should be relatively clear or translucent, allowing the internal inclusions to be seen. Opaque red material is more likely to be jasper or another iron-rich mineral.
- Hardness Test. Quartz is relatively hard (7 on Mohs scale). If possible, perform a scratch test against a known mineral of similar hardness to confirm it is quartz, though this is often not practical for field identification of varieties.
Quick Check
- Color:
- Pink, red, or orange with visible internal specks or needles of red/brown.
- Luster:
- Vitreous (glassy).
- Streak:
- White (for the quartz matrix); the inclusions themselves are too fine to produce a distinct streak on a streak plate, but hematite would be reddish-brown and goethite yellowish-brown if isolated.
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