<svg width="720" height="720" viewBox="0 0 720 720" xmlns="http://www.w3.org/2000/svg">
 
  <!-- Background -->
  <rect width="720" height="720" fill="white"/>
 
  <!-- Center point -->
  <circle cx="360" cy="360" r="6" fill="#000"/>
 
  <!-- Silence boundary -->
  <circle cx="360" cy="360" r="260" fill="none" stroke="#999" stroke-width="2" stroke-dasharray="6 6"/>
 
  <!-- Phase nodes (7‑phase cycle) -->
  <!-- Coordinates placed on a 260‑radius circle -->
  <g font-family="Arial" font-size="20" text-anchor="middle" dominant-baseline="middle">
 
    <!-- Rise -->
    <circle cx="360" cy="100" r="14" fill="#4A90E2"/>
    <text x="360" y="100" fill="white">Rise</text>
 
    <!-- Saturation -->
    <circle cx="540" cy="180" r="14" fill="#417505"/>
    <text x="540" y="180" fill="white">Sat</text>
 
    <!-- Fracture -->
    <circle cx="620" cy="360" r="14" fill="#D0021B"/>
    <text x="620" y="360" fill="white">Frac</text>
 
    <!-- Inversion -->
    <circle cx="540" cy="540" r="14" fill="#9013FE"/>
    <text x="540" y="540" fill="white">Inv</text>
 
    <!-- Collapse -->
    <circle cx="360" cy="620" r="14" fill="#8B572A"/>
    <text x="360" y="620" fill="white">Col</text>
 
    <!-- Dissolution -->
    <circle cx="180" cy="540" r="14" fill="#7F8C8D"/>
    <text x="180" y="540" fill="white">Dis</text>
 
    <!-- Silence -->
    <circle cx="100" cy="360" r="14" fill="#000"/>
    <text x="100" y="360" fill="white">Ø</text>
 
  </g>
 
  <!-- Connecting cycle path -->
  <polyline
    points="
      360,100
      540,180
      620,360
      540,540
      360,620
      180,540
      100,360
      360,100
    "
    fill="none"
    stroke="#333"
    stroke-width="3"
  />
 
  <!-- Inversion singularity marker -->
  <circle cx="360" cy="360" r="22" fill="none" stroke="#9013FE" stroke-width="3"/>
  <text x="360" y="360" font-family="Arial" font-size="26" fill="#9013FE" text-anchor="middle" dominant-baseline="middle">✧</text>
 
  <!-- Axis lines -->
  <line x1="360" y1="40" x2="360" y2="680" stroke="#555" stroke-width="2" stroke-dasharray="4 4"/>
  <line x1="40" y1="360" x2="680" y2="360" stroke="#555" stroke-width="2" stroke-dasharray="4 4"/>
 
  <!-- Axis labels -->
  <text x="360" y="30" font-family="Arial" font-size="18" text-anchor="middle">S‑axis</text>
  <text x="360" y="700" font-family="Arial" font-size="18" text-anchor="middle">N‑axis</text>
  <text x="700" y="360" font-family="Arial" font-size="18" dominant-baseline="middle">R‑axis</text>
 
</svg>