Part · materials

Collected quartz-rich sand

Recognize and collect quartz-rich sand then transport separately; open discovery hypothesis, unknown caller demands and complete inventory.

Discovered · unresearchedClosure: OpenInventory incomplete

Capability requirements and tolerances

Consumer-specific numerical targets, quantities and acceptance limits remain open or incompletely reviewed. No smartphone-grade suitability is claimed. Distinct capability tiers require their own making route and qualification.

Making steps · draft selected for navigation; not a validated fabrication specification.

Known Parts and Tools

The selected route supplies this page's inventory and the map's dependency links from one record. Further requirements may be missing; review flags do not prove physical suitability.

Requirement	Role	Use	Relationship status
Quartz-rich sand occurrence	Part	incorporated or consumed material; quantity/loss unresolved	Cycle-checked; compatibility unknown
Stone hand tools	Tool	reused fabrication/verification equipment	Cycle-checked; compatibility unknown
Sorting surface	Tool	reused fabrication/verification equipment	Cycle-checked; compatibility unknown
Containers	Tool	reused fabrication/verification equipment	Cycle-checked; compatibility unknown
Carrying equipment	Tool	reused fabrication/verification equipment	Cycle-checked; compatibility unknown

Making outline

Recognize and collect quartz-rich sand then transport separately
Research detailed preparation, operation and acceptance. Numerical limits and suitability are not specified.

What remains unresolved

Candidate method, complete inventory, caller demands and physical compatibility require research and review.

Sources and leads

Source scope and research notes determine which claims have been checked. A URL does not establish a complete making route.

usgs silica

Canonical reuse assessment

{
  "existing_candidates_checked": [
    "mineral-separation",
    "glass-stock"
  ],
  "decision": "Acquired unsorted stock is distinct from prepared silica/glass.",
  "availability": "No physically built/qualified inventory is asserted."
}

Proposed capability specification

{
  "function": "Collected quartz-rich sand",
  "quantity": "NOT_RESEARCHED",
  "precision_purity_performance": "NOT_RESEARCHED",
  "acceptance": "NOT_RESEARCHED"
}

Earlier research provenance

2026-10-08 materials discovery proposal; original record retained where reused

Return to the discovered map

Used by

Items that directly require this item in their selected inventory.

Paths from Smartphone

These routes together include every item that can lead from Smartphone to this item. Repeated path combinations are collapsed; recipes are omitted.

Shortest route: Smartphone → Cover glass → Aluminosilicate glass sheet → Prepared glass silica → Collected quartz-rich sand

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